The saddest blood type. The rarest blood type in the world

Designated by the absence or content of special substances (antigens) of type A and B: I – 0 (antigens are absent), II – A (type A antigen is present), III – B (type B antigen is present in the blood), IV – AB (contains both types of these substances).

Blood is also classified according to the presence or absence of the Rh factor. Rh factor is an antigen found on the surface of red blood cells. The rarest is determined by both indicators. According to statistics, the fourth with a negative Rh factor has this status. Less than one percent of the planet's population (mostly) has it.

It is allowed to transfuse only blood of the same group and rhesus between the patient and the donor. If absolutely necessary, it is allowed to transfuse other groups with the first blood group, which has the same Rh factor.

How did the fourth blood group appear?

According to scientists, in ancient times almost all people had one blood type - the first, and therefore it is the most common on most continents. Thanks to mutations, the second and third blood groups arose. Such mutations arose due to the restructuring of the primitive organism, which learned to eat, in addition to meat, fish, berries, leaves, and vegetables. According to scientists, the third blood group appeared on the territory of South Asian countries, whose inhabitants ate products obtained from animals (milk, cottage cheese, cheese, thermally processed meat, and so on).

The rarest fourth group appeared no more than 10 centuries ago; its origin remains unknown. However, there are suggestions that it arose as a result of race mixing. Since such marriages are a phenomenon, there are very few people with the fourth blood group. There is also an opinion that this type of blood appeared due to a significant increase over the past five hundred years in the human diet of processed foods, as well as synthetic and semi-synthetic foods.

According to one version, the fourth blood group was formed as a result of damage to the human body by viral infections.

People with the fourth have a unique ability to adapt to nutritional conditions and the environment, and their body has a high resistance to diseases. Such people have a sensitive digestive system and a very tolerant immune system.

More than a hundred years ago, the main human blood groups were discovered. Among them, the prevalence of the first group is the highest, and the fourth, on the contrary, the lowest. However, a person himself is not able to predict the group affiliation of his blood determined by genetics. This determines his interest in understanding which blood group is the best and which is the worst.

Formation of group affiliation of the main biological environment organism, is essentially the result of a long process of transformation of the human digestive, endocrine and immune systems, accompanied by modification of the genetic composition of the population and its adaptation to various environmental conditions.

Blood group affiliation is directly determined by parents. Inheriting a blood type is a rather complicated process. Some believe that it can be passed on from parents, but science has proven that this is not entirely true. Like anyone hereditary trait, group affiliation blood is inherited according to the laws of gene transmission described by classical genetic science.

There are cases when it occurs in the fetus and mother. This applies to various Rh factors for pregnant women. If, and the fetal red blood cells contain a Rh-positive factor, which he inherited from his father, the so-called may occur during pregnancy. Antigens in the baby's blood begin to be perceived by the mother's body as foreign and are destroyed by antibodies generated in response to this.

Blood for donation

The most common are 1 and . Almost 80% of all inhabitants of the Earth have them. As a rule, there is no shortage of donors of these blood groups. The third and fourth groups are less common.

You can try to determine which one is and which one is bad based on its compatibility. People with the first blood group are considered universal donors; no antigens are present on the membrane of their red blood cells. Such blood of the first group is compatible with all other groups.

Holders are defined as universal acceptors. They can be transfused with any blood group, because on the surface of their red shaped elements no antibodies. The situation is somewhat different with blood transfusion for Rh blood. only with a matching Rh factor.

Positive qualities of blood types

Considering that blood carries important genetic information, we can talk about certain character qualities inherent in all its owners. The positive qualities of the blood types of the most common groups are considered to be the strength, integrity, stability and endurance of the nature of their owners. They are leaders by nature, quite confident and purposeful.

Speakers of the third () and fourth have excellent health, but are more careful, insinuating, have a calm, gentle character. They love home peace and comfort, are hardworking and economical.

Negative qualities of blood types

The negative aspects can be considered. Carriers of the first and second groups are more susceptible to injuries, serious somatic diseases. Negative qualities blood types for the third and fourth groups are reduced to increased likelihood emergence viral diseases, diseases of the stomach and intestines.

To reduce the likelihood of developing these blood type diseases, scientists recommend eating according to your blood type. So, a variety of options suits people with meat food, with the second, on the contrary, it is plant-based. The third group should not abuse dairy products, and the preferred diet for people in the fourth group is fish, seafood and vegetables.

Having knowledge about your blood type, you can discover a lot of new things about yourself. However, it will still not be possible to clearly identify which blood group is the best for health. After all best group blood - this is the one with which a person was born.

Knowing the characteristics and properties of each blood group and following the simple rules of nutrition and lifestyle dictated by it, you can feel great and maintain excellent physical shape.

Each of them can be Rh positive or Rh negative, which means there are 8 types of blood. The question may arise as to which one is the best. Some blood can be considered better than others only if its owner can always quickly find a donor in case of significant blood loss. Thus, we can conclude that the best group is the most common.

According to statistics, about half of all inhabitants of the planet have blood of the first group, about 40% are carriers of the second, approximately 8% of the population have the third group, and only 2% of people have the fourth. The vast majority (85%) are owners Rh positive blood, and only 15% do not have a specific protein on the surface of red cells - the Rh factor. From this we can conclude that the best group is I positive, and this means that such blood can always be found, unlike the fourth negative.

The best one is universal?

Group 0 (first) blood is called universal because it is believed that it can be transfused to everyone. The fact is that it does not have antigens A and B on red blood cells, which means that the recipient’s body will not begin to produce antibodies against them. Thus, the first group can be considered the best, since its carrier can save any person in case of blood loss.

On the other hand, AB can be transfused only to owners of the same one, and to no one else. At the same time, anyone can become a donor for a person with IV, since AB blood plasma does not contain antibodies to antigens A and B.

Blood type and predisposition to disease

There is an assumption that, depending on the blood, people are prone to certain diseases, but this has no scientific basis.

These people are considered to be mentally stable. As for diseases, they have a predisposition to arterial hypertension and diseases digestive system. Because of increased acidity gastric juice they may develop gastritis, peptic ulcer, colitis. They suffer from influenza and ARVI more often than others, they have a tendency to form stones in the urinary system, poor clotting blood. With negative Rh, skin pathologies may be observed.

These people are not very resistant to stress. Their weak point – thyroid gland(insufficient production of hormones). They are prone to dental diseases. In addition, they are advised to be more careful about their heart: diseases such as ischemic heart disease, hypertension, and heart attack cannot be ruled out. They are susceptible to gastritis with secretory insufficiency, bile and urolithiasis, osteoporosis, diabetes mellitus. It is recommended to monitor your weight and keep it normal, quit smoking and lead active image life.

Blood type may indicate predisposition to certain diseases

III (B)

Among the carriers of this group, neurasthenics and people prone to psychosis are most often found. There is a high risk of developing hypertension, pancreatitis, rheumatism, and Parkinson's disease. Women are especially susceptible to genitourinary infectious diseases. It is believed that people with group 3 are less likely than others to have a heart attack. They are advised to refuse bad habits, move more, eliminate fatty foods.

IV (AB)

Those with this blood are resistant to ARVI, influenza, bronchitis, and pneumonia. They don't have skin problems, they can boast healthy teeth, rarely observed renal pathologies. There is a tendency to hypertension, atherosclerosis, obesity, hepatitis, and anemia. These people's blood clots quickly, hence thrombosis and thrombophlebitis.

Conclusion

In fact, there is no better or the worst blood, and on the development of pathologies or, conversely, on good health influences much more factors. Even if the tendency to illness depends on it, then, as a rule, while there are strengths, there are also weaknesses. Thus, if we consider that there is a best group, then this is the most common.

Which blood type is considered the best?

Today, in the world, human blood is classified according to the ABO system, as well as the Rh factor. According to this classification, a person can have one of four groups:

the first is designated by the number 0;
the second letter A;
the third letter B;
the fourth is a combination of their AB.

Moreover, each can have a positive or negative Rh factor. Accordingly, human blood can be divided into four groups or eight types. In this regard, the question often arises, which is the best.

Most often, the question of which blood is the best arises when it comes to donation. That is, it is assumed that it is best to have the type that occurs most often. That is, the most common blood should be the best, but is this really so?

Prevalence and versatility

The most common all over the world, according to research, is the first. About half of the world's inhabitants have this type. In second place is the second one. About forty percent of people have it. The fourth is the smallest. Only two percent of people have it, and the remaining eight come from a third. Thus, the most common option is the first or second group.

However, it is necessary to take into account not only the group, but also the Rh factor. For most people, about 85 percent, it is positive. By and large, this means that the Rh factor is present in the blood. The remaining 15 percent do not have it, that is we're talking about that the Rh factor is negative. From this many conclude that the most best blood- this is the first positive one, since it is the easiest to find, and the worst one is the fourth negative one.

The first group can also be classified as universal. It is believed that it can be used for donation for any person, since it does not have antigens A and B. Accordingly, the recipient’s body will not perceive the blood as something foreign. Therefore, the first group is considered one of the best for donation. Since it can be transfused to anyone, it means that almost anyone can be saved by it.

But, despite the fact that this group is very popular, its owners can only be transfused with the same first group. At the same time, the fourth group, which is not the most popular, is capable of accepting any type, due to the absence of antibodies to antigens A and B in the plasma.

Transfusion Basics

You need to understand that in the modern medical world it is forbidden to transfuse, unless absolutely necessary, blood that differs from the recipient’s group. Under complete ban There is a blood transfusion with an excellent Rh factor. Ideally, the transfusion should be the same type as the recipient.

The Rh factor in donation is important indicator which is passed on to children by inheritance. It is located in blood components, various organs, amniotic fluid. When a person who has a negative Rh factor is transfused with a positive type, the body begins to produce specific antibodies. We can say that the body is protecting itself from something foreign.

Often, different Rh factors of parents become a problem for bearing a child. Therefore, pregnant women Rh negative, if the husband is positive, they will examine him more thoroughly.

You can be sure that if not the first, then the second transfusion can be fatal for a person with a different Rhesus blood from the blood being transfused. It is also worth emphasizing that people with Rh positive, it can be of several types or one. That is, you can see the combination different types, which is also important to consider when transfusion. Therefore, it is important to determine what kind of blood the recipient has and what kind of blood the person who donated the material has.

In most cases, modern doctors identify six antigens in the Rh factors of two systems. In humans, the presence of both systems or only one can be distinguished.

On at the moment V laboratory research Almost three dozen combinations stand out. Before performing a transfusion, the presence of Rh is determined, as well as an analysis for Rh compatibility. Returning to the question about the the best type, doctors note that, by and large, such a thing does not exist. The fact is that rare phenotypes do not indicate that they are particularly in demand, because if a phenotype is rare, we can say that it will be useful to fewer people.

Experts involved in transfusion issues are confident that it is wrong to consider rare groups as bad. Every day, the clinics’ need for certain components and blood of a specific group changes. Therefore, a situation often occurs in which the rarest thing on that day turns out to be the most common. Why do doctors encourage everyone to donate? healthy people, regardless of their group and Rh affiliation.

What is the rarest blood type?

Blood transfusions often save a person's life. But for the procedure to really help and not harm, it is necessary to match the blood type and Rh factor of the recipient and the donor.

There are four types of this biological fluid. Among them there is both the rarest blood group in humans and the most common.

How to determine group and rhesus

At the beginning of the 20th century, scientists developed a conditional classification into groups from 1 to 4, each of which is divided into two subtypes - negative or positive - depending on the Rh factor.

The difference lies in the content of specific proteins on the surface of red blood cells - agglutinogens A and B, whose presence affects the belonging of a particular person’s plasma to a certain group.

If antigen D is present, then Rh is positive (Rh+); if antigen D is absent, it is negative (Rh-). This separation allowed for safe transfusion, but previously the procedure often ended fatal due to the patient’s body’s refusal to accept donor material.

Factors defining the group

In Russia the following designation applies:

the first – 0 (zero), or I, no antigen;
the second - A, or II, contains only antigen A;
the third - B, or II, there is only antigen B;
the fourth is AB, or IV, both antigens A and B are present.

The blood type is determined at the genetic level by passing on antigens A and B to offspring.

Principle of classification

Over centuries of history, the type of plasma was formed as a result of natural selection, when people had to survive in different climatic conditions. According to scientists, initially there was only 1 group, which became the ancestor of the rest.

0 (or I) – the most common, present in everyone primitive people, when the ancestors ate what nature gave and managed to obtain - insects, wild plants, parts of animal food left after a meal large predators. Having learned to hunt and having destroyed most of the animals, people began to move from Africa to Asia, Europe, in search of best places for living and food.
A (or II) arose as a result of forced migrations of peoples, the emergence of a need to change their way of existence, the need to learn to adapt to living in a society of their own kind. People were able to tame wild animals, took up farming and stopped eating raw meat. Currently, most of its owners live in Japan and Western Europe.
B (or III) was formed in the process of merging populations, adapting to changing climatic conditions. It first appeared among the Mongoloid race, who gradually moved to Europe, entering into mixed marriages with Indo-Europeans. Most often, its carriers are found in Eastern Europe.
AB (or IV) is the youngest, which arose about 1000 years ago not as a result of climate change and living conditions, but due to the mixing of the Mongoloid (carriers of type 3) and Indo-European (carriers of type 1) races. It turned out as a result of the merger of two different types- A and B.

The blood type is inherited, although the descendants do not always match the parent’s. It remains unchanged throughout life; even a transfusion or bone marrow transplant cannot change its appearance.

Rare and common blood

The most common people in any country are people with types 1 and 2, they account for 80–85% of the population, the rest have groups 3 or 4. The species differ from each other biological features, the presence of a negative or positive Rh factor.

National and racial affiliation determines the presence certain type plasma.

Among Europeans and residents of Russia, the 2nd positive one predominates, in the East – the third one, among representatives of the Negroid race the first one dominates. But in the world IV is considered the rarest, in isolated cases there is a fourth negative one.

The majority of the planet's inhabitants are Rh positive (almost 85% of the European population), and 15% are Rh negative. As a percentage, among residents of Asian countries, Rh “Rh+” occurs in 99 cases out of 100, in 1% it is negative, in Africans – 93% and 7%, respectively.

The rarest blood

Many people are interested in whether their group is rare or not. You can find out this from the table below by comparing your own data with statistical data:

Which blood group can be considered the most popular in donation?

Blood transfusion is a common and effective method treatment. If there is not enough of this biological fluid in the body, or it has acquired pathological properties, death may occur. Therefore, donors are needed to save lives and fight serious diseases. Thanks to blood transfusions, doctors have successfully saved the lives of thousands of people. Blood transfusion has been used since the middle of the last century.

Blood transfusion is a procedure for which doctors must carefully prepare so as not to harm the patient. If the blood of the donor and recipient is incompatible, it will lead to serious problems and even to death.

If you mix different groups, an agglutination reaction occurs when red blood cells stick together and no longer perform their functions, or antibodies are released in the recipient’s body and destroy foreign cells.

To classify blood, the AB0 system is used (by groups). According to it, there are only four groups: the first is 0, the second is designated by the Latin letter A, the third is B and the fourth is marked by two letters - AB.

There are only two types of Rh factor: positive and negative. Based on this, 8 combinations of blood types are distinguished. The question often arises, which blood group is the most popular for donation?

It’s worth clarifying right away that there is universal blood that suits everyone; it is safe to transfuse to any person. It is common, so it is not considered the most popular in donation. And there is blood, the carriers of which are very few on Earth; it is considered rare.

Blood type and Rh factor, let's take a closer look

The combination of antigens in red blood cells and blood plasma determines the group. It never changes in humans, since the set of proteins in cells is always the same.

Scientists have compiled several classifications of blood; they appeared because there are many antigens on the cells that form antigen systems. In practice, only one AB0 classification is used.

There are three types of antigens on human red blood cells: H - inactive, A, B and AB - active. These Latin letters encrypt groups. Only instead of the letter H they write the number 0 for convenience, which means that there are no antigens. Near letter designation write I, II, III or IV. Using these Latin numbers, people can understand what blood type is encrypted.

In addition, there is a special protein in the blood called agglutinin. It is denoted by two Greek letters - beta and alpha. It is this that leads to the destruction of red blood cells if they carry a mismatched set of proteins. This happens when a blood type that is different from that of the recipient enters the body.

Based on this, it is clear that there is a specific combination of antigens and agglutinins, by which the blood group is determined. The second group contains antigen A and agglutinin beta. In the third, on the contrary, B and alpha. In the first group there are both agglutinins, since there are no antigens. Plasma of the fourth group contains A and B antigens, so there are no agglutinins.

Human blood has a constant Rh factor, it is written as Rh, + or - depending on whether it is positive or negative. The Rh factor is also determined by the presence of antigens on the surface of red blood cells. There are 6 proteins that encode the Rh factor. If the cells have protein D, or C+E, then the blood is Rh+. If these antigens are not present – Rh-.

This indicator is also used to determine whether it is safe to do a transfusion or not. But if the situation is critical, it is permissible to mix positive and negative Rhesus.

Which group is the most common?

Which blood is most in demand in medicine for donation, rare or common? let's figure it out.

Based on statistics, we note that the first group is most common. Approximately half of the entire population of the planet is its carrier. C II (A) – 40% of the population. Only 9% of people are in the third group, and 4% are in the fourth. The vast majority (85%) have Rh+. And only 15% have a Rh negative factor.

We conclude that there are more people with I(0) Rh+ blood, which is why it is the most common. IV (AB) Rh- is considered the rarest. Sometimes it is very necessary, so it is collected and stored in special jars where it can be purchased. You can find out how much blood type 4 costs at a bank or from a doctor.

Does universal mean the best?

Eat universal donors– these are people with the first group. This is because there are no antigen proteins on their red blood cells, so the recipient’s body does not perceive it as foreign and does not produce antibodies that destroy the infused cells. Due to its versatility, the first group is considered the best.

And blood types with A and B proteins can only be infused into people with the same set. There is also a universal recipient - a person with the fourth group. His body will accept any set of antigens.

However, the rules listed above practical medicine do not apply. Today it is forbidden to mix different groups and Rh factors. Therefore, both the donor and the recipient must have the same set of proteins. Exceptions are made only in emergency cases.

And yet, which group is the most popular?

Based on the information provided, two conclusions arise:

The most in demand blood group is I (0) Rh+, since the vast majority of people have this group.
There are much fewer IV (AB) Rh positive and negative ones, which is why it is more difficult to find. This is because there are very few people with such blood flowing in their veins. And if the patient has to undergo a transfusion, it will be difficult to find a donor.

In what cases is blood transfusion required?

Transfusion is done due to severe blood loss. If the patient loses about 30% of blood within a few hours, then it is necessary to carry out this procedure. It is also done urgently if a person is in in a state of shock after surgical treatment.

Transfusions are often prescribed to patients who have been diagnosed with anemia, serious blood diseases, inflammatory processes in the body and purulent-septic diseases, strong and severe intoxications of the body.

The procedure is prescribed to people with the following diseases:

leukopenia – a sharp decrease in the level of leukocytes;
hypoproteinemia – low level protein in the blood;
sepsis – blood infection by microbes;
violation of ESR.

For transfusion, blood with all its components, drugs and blood substitutes are mixed. Drugs are added to the donor's normal blood that increase healing effect, while reducing the risk of complications after the procedure.

Red blood cells are often injected into the patient's body. To do this, the red blood cells are first separated from the frozen plasma. After this, a liquid with a high concentration of red cells is poured into the recipient’s body. This method is used for anemia, acute blood loss, during development malignant tumors, after tissue and organ transplantation.

A mass of leukocytes is infused for agranulocytosis, when the level of these cells rapidly decreases, and treatment severe complications diseases infectious nature. After the procedure, the level of white cells in the blood increases, which has a beneficial effect on the course of recovery.

When to use fresh frozen plasma:

severe blood loss;
DIC syndrome;
hemorrhages - blood leaks through damaged vessel walls;
overdose of coagulants;
diseases of an infectious nature.

Patients with blood diseases especially need transfusions. Some patients have to do this procedure once a week, or even more often.

Transfusions are also given to people after chemotherapy. If the tumor has affected bone marrow, after therapy, not only malignant cells stop growing, but also healthy ones.

Women often need transfusions after a difficult birth during which they lost a lot of blood. Sometimes doctors do not recommend using a man's blood for this. Women's is considered safer, and for a young mother this is especially important.

Contraindications

This is a complex and risky procedure. In case of failure, a number of vital violations will occur. important processes in the body. Therefore, doctors always take this issue seriously. They examine diseases and information about transfusions that have already been given to the patient.

The procedure is contraindicated in patients with defects and other serious heart diseases. For disorders of blood flow in the vessels of the brain and protein metabolism in the body, for allergies.

Often, even in the presence of contraindications and serious illnesses, the treatment of which requires a transfusion, doctors perform this procedure. But at the same time, they prescribe drugs to the patient to prevent diseases that may appear after it.

Therefore, to the question of which blood group is most in demand in modern donation, the answer is ambiguous. Since only the native group is transfused to the recipient, and there are more people with I (0) Rh+, and transfusions are given to them more often, it is in demand. And there are much fewer people with IV (AV) Rh+ or -, but if a person with such a group needs a transfusion, finding a donor will be problematic.

Which blood type is the most expensive and why?

The most expensive blood type is the first (with both positive and negative Rh factor). Because it is universal and suitable for transfusion to people with all other blood groups.

The majority of the population of our country has the second blood group.

Usually for donation Blood of any group is paid the same amount, but since the fourth blood group, especially with negative Rh, is the rarest, then on the black market or in any private organizations they will not pay clearly more than for the rest.

The fourth is only suitable for the fourth, the first is not suitable for the fourth, it’s good to write nonsense

Officially for any blood group in government institutions and hospitals pay the same. But in some private clinics or illegally, the largest amount is most likely paid for blood type 4 with negative Rhesus, since there are not very many people with such a combination, and they have more opportunities to dictate their terms and prices.

There are four main, most common blood groups:

The popularity of the group decreases from first to fourth:

Moreover, the fourth positive is more common than the fourth negative.

If a donor donates blood, then the price for all types is the same, as far as I know. There's just more valuable blood compared to others in terms of the possibility of getting something.

And I have the rarest blood group - fourth negative. So if anything, it will be difficult for me to find a donor.

What is the rarest blood type in the world and why

There are many classifications that divide blood into groups. All are designed to target different antigens and antibodies—small particles that are either attached to the red blood cell membrane or float freely in the plasma.

The first experiments with blood transfusion most often ended in the death of the patient. The thing is that then people did not have the slightest idea about blood groups. Today, the most common classifications are the AB0 system and the Rh factor system.

According to the ABO system, blood is classified as follows:

What determines the rarity of a blood group?

The rarity of blood groups, like many other features of our body, depends on natural selection. The fact is that throughout the entire two-million-year history of mankind, people have had to adapt to new conditions of existence.

The climate changed, new diseases appeared, and our blood developed with them. The oldest and most common group is the first. Scientists believe that it was she who was the original, and all the groups known today came from her.

Rare groups appeared much later, so they are not so common in the population.

Which group is the least common?

The leader in rarity in the world is 4 negative group blood. Despite popular belief, 4 positive is approximately 3 times more common. There are more people with it than people with negative blood type 3.

Why is group 4 the least common?

The fact is that its very appearance can be considered a peculiar phenomenon. It combines the properties of two opposing blood types - A and B.

People with blood type 4 have a strong immune system that easily adapts to conditions environment. By biological standards, this group is the most complex.

This type of blood appeared only a couple of thousand years ago. At the moment, it is the most in demand at any blood transfusion station, since there are still not many carriers of it.

The youngest and rarest group is the fourth to contain

What blood is most common?

The most common blood is the first group (or zero according to the AB0 classification). The second is a little less common.

The third and fourth are considered rare. The total percentage of their carriers in the world does not exceed 13–15.

The most common types (1 and 2) arose at the dawn of mankind. Their carriers are considered the most susceptible to allergies of various origins, autoimmune processes and other diseases. Blood of this type has changed little over hundreds of thousands of years, so it is considered the least adapted to modern conditions.

The percentage of blood types is also determined by the Rh factor. Positive is much more common than negative. Even 1 negative group, which is the leader among negative blood types, occurs in 7% of people.

The distribution of blood groups also depends on race. A person of the Mongoloid race will have Rh positive blood in 99% of cases, while for Europeans, Rh positive is about 85%.

Europeans are the most common carriers of group 1, Africans are carriers of group 2, and group 3 is the most common among Asians.

Blood types: percentage prevalence

As statistics show, various types blood types vary greatly in prevalence throughout the world. People with type 0 can be found without much difficulty, and type AB blood is unique in its own way.

The following table will help you finally understand which of the groups are the most common and which are much less common:

Which blood type is the most expensive and why?

Donation is assessed the same regardless of what blood type you have. But the rarest and scarcest group is 4 with ANY rhesus.

There are four main most common blood groups:

The popularity of the group decreases from first to fourth:

Moreover, the fourth positive is more common than the fourth negative.

Most often, if a person is a carrier rare group blood, then he may be rewarded more than others for taking tests. The increased remuneration is aimed at compensating for the deficit required group blood. You can read more about paying donors here.

The fourth with negative Rh is the rarest, as far as I understand). As for “dear” - it’s not clear how to evaluate it? By the way, I recently asked at a transfusion station in our city whether donation is paid or free? And it turned out that it was completely free).

If a donor donates blood, then the price for all types is the same, as far as I know. There is simply more valuable blood compared to others in terms of the possibility of obtaining it.

And I have the rarest blood group - fourth negative. So if anything, it will be difficult for me to find a donor.

The rarest blood type is fourth negative; in my opinion, about 4% of the world's population have it. But I can’t say how expensive it is, I don’t know how it’s valued donor blood. When donating to a donor, if a reward is paid, it does not depend on the blood type.

The fourth blood group is considered the most expensive - this is because it is the least common in people, there is very little of it. Also relatively expensive is the first blood group - since it suits all blood groups.

The less supply of something on the market, the higher the price at a certain level of demand. The fourth blood group with a negative Rh factor is the least common. Basically, especially abroad, money for donating blood is not paid. This is done so that drug addicts and others may infected people did not perceive blood donation as income. Even now, not all viruses can be detected in a timely manner and the risk of infection remains during blood transfusion.

What blood type is most in demand for donation?

There are different ways to answer this question. Many people who are not involved in medicine have an established opinion that the most universal, and therefore in demand, is the first, Rh negative group 0(I)Rh(-). Yes, it is universal, but there is a law according to which during blood transfusion only blood or blood components corresponding to the recipient’s blood are used. Those. If a person has a second Rh positive group, then he can ONLY be given a second Rh positive transfusion.

Therefore, it is difficult to say what kind of blood is in demand. There are statistics:

80% of people around the world have Rh positive blood

Blood type 0(I) is the most common on the planet - it flows in the veins of 45% of humanity.

A(II) blood type predominates among Europeans - approximately 35% of people are its carriers.

B(III) blood group is less numerous - it can be found in only 13% of us.

AB(IV) blood type is the rarest on Earth, found in only 7% of people.

Based on the statistics, several conclusions can be drawn: 1) most likely, blood of the first group, Rh positive, is most often needed. it occurs most often and there should be more people who need it;

2) on the other hand, blood of the fourth group, and even Rh negative, is much more difficult to find, if only because there are extremely few people on earth with this group and Rh negative! If a person with a fourth negative blood If a transfusion is necessary, it will be extremely difficult to find a second person with identical blood.

There is another point, the most popular blood type is the one that has the least amount in the donor center’s storage)

Is there a better blood type?

Everyone knows that in the medical community there is a traditional typology of blood groups - AB0, as well as an indicator of the Rh factor, but which blood group is considered the best. Based on this, there are the following types blood groups:

Rh factor

There is also a negative and positive Rh factor. Such characteristics are bestowed upon us by nature itself and are influenced to a greater extent by biological parents. And it depends on what groups the father and mother have. And many are interested in which blood type is the best for a person. Of course, this question arises when blood is needed for donation.

Blood Rh factor table

The conclusion suggests itself that the best blood group is the one most common among the population and the most accessible to doctors.

Statistics

According to the data, the most common is blood group 1. According to statistics, its owners are one second of the population of planet Earth. And it is more common in medical practice.

But her positive qualities in principle and are limited by its prevalence, and it is suitable for transfusion. In previous times, people did not take into account the plasma group factor, which was a mistake. Science does not know the reason for the quantitative superiority of a certain group.

Regarding the topic of Rh factor, it is necessary to mention that only approximately 15 percent are Rh negative. The red cells of these people are deprived of such a protein as the Rh factor.

Approximately forty percent have blood group 2. The third type of plasma is found in about 8 percent. The rarest is blood group 4; about 1.5-2 percent of the population have it. Let's try to determine whether there is a best blood type for a person.

Features of blood groups

Blood of the first group is considered, as mentioned above, to be the most common and it is suitable for all other blood types. Her secret is that her red blood cells do not possess such substances as antigens (A) and also (B). For this reason, the body of the person to whom it is transfused will not create antibodies against them. It can be awarded the title of the most functional. The owner of the fourth blood group can accept any blood type.

For pregnancy, the matching of the plasma types of the father and mother is also important. The reason for this is the absence of antibodies to the above-mentioned antigens in type AB blood plasma. A, also B.

But this type can only be given to people of the same group.

But this is only theoretical information. At the moment, donation is prohibited if the recipient and donor groups belong to different types and have different Rh factors.

Blood group compatibility table for transfusion

Predisposition to diseases

Of course, there are opinions that one can predict diseases and certain characteristics of a person based on blood type.

For example, people with the first blood type are the most resistant to stress and their psyche is able to withstand various stressful incidents quite well. High blood pressure their frequent companion.

But they tend to suffer various diseases digestive system.

For example, they also have poor blood clotting. May suffer from illnesses associated with a variety of problems skin. But they have a high life expectancy, as the apologists of this theory believe. May also be at risk for hemophilia.

Owners of the second (2) group are less psychologically stable. There is an assumption that they are prone to problems with thyroid gland. Thus, there are problems with the production of hormones. They are also susceptible dental diseases. Tendency to stomach cancer.

People of the third type of plasma are susceptible to psychological instability. They are also more likely to suffer from the syndrome chronic fatigue. Heart attacks are avoided by people with blood group 3. Tendency to colon cancer. In general, they differ in their tendency to acute experience stressful situations.

People with blood type IV are more likely to hematological diseases. But dermatological diseases bypass them, as well as those associated with the genitourinary system.

Of course, these data are not confirmed by science. But, however, these facts should be approached thoughtfully. And you can listen to these health tips. We hope you have now learned which blood type is best for human health and for pregnancy in women.

The rarest blood type

When can a child with fourth blood type IV be born? A child with the fourth blood group, or the rarest blood group, can be born in the following cases:

1. If one of the parents was a carrier of the second group II, and the other third III, then the chance that a child will be born with the fourth blood group IV is 25%.

2. If one of the parents is a carrier of the fourth blood group IV, and the second parent is with the second II or third group blood III, then the chance that a child will be born with blood group IV is 50%.

3. And the rarest option is when both parents are happy owners of the fourth blood group, which is incredibly rare.

Carriers of the fourth blood group are considered universal recipients. Surprisingly, the rarest blood group is unique and convenient in its own way - it is perfect group blood. People who are carriers of the fourth group can be transfused with blood of any other group, from the first to the fourth. That is, if the owner of the fourth blood group needs a transfusion, he does not need to look for a donor of the rare, fourth group - any blood will do, but doctors will have to deal with the Rh factor.

But blood of the fourth group can only be transfused to people with the fourth group; this blood is not suitable for people with the first blood group, or the second, or the third blood group.

Rh factor of the rarest blood group

But everything is not so simple, the rarest blood group is divided into Rh positive and Rh negative. A Rh negative blood group can be transfused into a Rh positive blood group, but a Rh positive blood group cannot be transfused into a Rh negative group.

The most common type of blood among people is Rh positive blood group. The rarest blood type is Rh positive fourth, most often found in Turkey - in 7% of the population, followed by countries such as China, Israel, Poland and Finland - 7%, and in the world about 5% of the population can boast of the rarest blood type with positive Rhesus

The fourth blood group with negative Rh is even less common, in the world it is 0.40% of the population, while in China it is the least common - 0.05%. In other countries it does not exceed 1%.

And most often on our planet there are carriers of the first positive group blood - almost 37%.

Determination of blood groups using the avo system, and if avo is correct.

This is when the analyzed blood is added to special sera of the four blood groups, and they look at the glass where coagulation occurs. Coagulation occurs with incompatible groups blood, this is how the blood type is determined. Blood type should only be determined by a doctor. It happens that blood group and Rh factor are determined incorrectly. It is very important to know not only your blood type, but also your Rh factor, since in an emergency this can save your life. Of course, you need to know your children's blood type.

Blood loss is a dangerous phenomenon, fraught sharp deterioration well-being, the death of a person. Thanks to advances in medicine, doctors are able to compensate for blood loss by transfusion of donor biomaterial. Transfusions must be carried out taking into account the type of blood of the donor and recipient, otherwise the patient’s body will reject the foreign biomaterial. There are at least 33 such varieties, of which 8 are considered basic.

Blood type and Rh factor

For successful transfusion You need to know exactly her blood type and Rh factor. If they are not known, a special analysis must be done. According to their own biochemical features blood is conventionally divided into four groups - I, II, III, IV. There is also another designation: 0, A, B, AB.

The discovery of blood types is one of the most significant events in medicine over the last hundred years. Before their discovery, transfusions were considered a dangerous, risky business - only sometimes it was successful, in other cases the operations ended in the death of the patient. During the transfusion procedure, another important parameter is also important - the Rh factor. In 85% of people, red blood cells contain a special protein - an antigen. If it is present, the Rh factor is positive, and if it is not, the Rh factor is negative.

85% of Europeans, 99% of Asians, 93% of Africans have a positive Rh factor, while the rest of the people of the listed races have a negative Rh factor. The discovery of the Rh factor took place in 1940. Doctors were able to determine its presence after long studies of the biomaterial of rhesus macaques, hence the name of the antigen protein - “Rhesus”. This discovery made it possible to sharply reduce the number of immunological conflicts observed during pregnancy. If the mother has an antigen, but the fetus does not, a conflict occurs that provokes hemolytic disease.

Which blood group is considered rare: 1st or 4th?

According to statistics, the most common group is the first: its carriers are 40.7% of the world's population. There are slightly fewer people with type “B” biomaterial – 31.8%, these are mainly residents of European countries. People with the third type make up 21.9% of the world's population. The rarest blood type is considered to be the fourth - this is only 5.6% of people. According to available data, the first group, unlike the fourth, is not considered rare.

Due to the fact that not only the group of biomaterial is important for transfusion, but also the Rh factor, it must also be taken into account. Thus, in the world there are 4.3% of people with a negative Rh factor of biomaterial of the first variety, 3.5% of the second, 1.4% of the third, and only 0.4% of the fourth.

What you need to know about the fourth blood group

According to research data, the AB variety appeared relatively recently - only about 1000 years ago as a result of mixing blood A and B. People with the fourth type are distinguished by strong immune system. But there is information that they are 25% more likely to suffer from heart and vascular diseases than people with blood A. People with the second and third groups suffer from cardiovascular diseases 5 and 11% less often than those with the fourth.

According to therapists and psychologists, carriers of AB biomaterial are kind, selfless people who are able to listen, show sympathy and provide help. They are able to feel the full depth of feelings - from great love to hatred. Many of them are real creators, they are people of art, sensitive to music, appreciating literature, painting, and sculpture. There is an opinion that among representatives of the creative bohemia there are many people with this type of blood.

Their creative nature is in constant search of new emotions, they easily fall in love, and are characterized by a heightened sexual temperament. But they have their drawbacks: they are poorly adapted to real life, are absent-minded, take offense over trifles. Often they cannot cope with their emotions; their feelings take precedence over reason and sober calculation.

Features of transfusion

The transfusion procedure should be carried out taking into account the Rh factor - both the donor and the recipient. If these laws are neglected, the recipient’s immune system will reject the donor’s biomaterial, which causes renal failure, adhesion of red blood cells, shock and death of the patient.

In order for the donor biomaterial to be ideally combined with the recipient’s immune system, it must be of the same type and Rh factor. However, in some cases, blood of different types and Rh factors combines well, as can be seen from the red blood cell compatibility table (horizontal - recipient, vertical - donor).

I Rh-	I Rh+	II Rh-	II Rh+	III Rh-	III Rh+	IV Rh-	IV Rh+

In Japan, you are more likely to be asked about your blood type than your zodiac sign. Carrying out accounting and blood group tests here they call it “ketsu-eki-gata” and take it very seriously. After all, each group has certain characteristics of character and health.

The blood group is an individual set of specific substances for each person, called group antigens. It does not change throughout a person’s life and can be inherited. The most common is the first blood group; about 40% of all inhabitants of the planet have it. But many consider it the worst.

Features of blood groups

The first blood group 0 (I) according to the AB0 system means that human red blood cells are completely devoid of antigens. It is worth noting that the first positive one can be used as universal blood for the transfusion procedure. If a person is injected with Rh negative blood, the result will be the sticking of red cells, that is, red blood cells, with subsequent deterioration of the person’s condition. But despite this, you can often hear that people with blood group 1 are more susceptible to various diseases.

And this is connected with the research of Japanese scientists: people with this group have worse blood clotting. But in many cases this is more of an advantage. Because of this, they are much less likely to have thrombosis and all the diseases associated with them: thromboembolism, heart attacks, stroke... The fact is that almost every blood type has some problems and advantages associated with it, and it is wrong to say that one is worse than the other . Here are the diseases associated with each blood type.

How are diseases related to blood type?

Group I
Due to reduced coagulation, thrombosis, vascular disease, myocardial infarction and ischemic stroke are less common. Also, people with this blood type are less susceptible to pancreatic cancer, but are more prone to developing stomach and duodenal ulcers than others. They also have a lower fertility rate, especially after 30 years of age. Therefore, you should not delay too much with your firstborn.

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Group II
People with this blood type often have longevity and good immunity. They are less prone to colds and infectious diseases. But the second blood group increases the risk of gastritis with low acidity, the appearance of stones in bile ducts And chronic cholecystitis. Also, people with this blood type are more prone to acute leukemia and stomach cancer. Japanese scientists say that for people with blood type II, quality rest is more important than others to maintain health.