Can O and B have a baby?

If a person of O blood group breeds with a person of B group all the children must be either B or O. If the child is A or AB one of the individuals cannot be the parent. An O and B crossing can not produce an A or AB child. An AB with an O can produce A children or B children but not O.


Is B and O compatibility for pregnancy?

Unlike Rh incompatibility, ABO incompatibility during pregnancy is rarely a problem -- even when the mother's ABO group doesn't match the baby's ABO group! In situations where a mother has Type O blood, and the baby has A, B, or AB blood, the mother's immune system will recognize the baby's blood as foreign.

What blood types can't have a baby together?

Rh incompatibility occurs when a mother has Rh-negative blood and the baby has Rh-positive blood. The mother's body will produce an auto-immune response that attacks the fetus or newborn's blood cells as if they were a bacterial or viral invader.


Is O Negative and B positive compatible?

About 9% of the population have B positive blood. B positive red blood cells can be given to both B positive and AB positive patients. B positive patients can receive blood from B positive, B negative, O positive and O negative donors.

Is O positive compatible with B positive?

Type O-positive blood can be transfused to any positive blood type: A-positive, B-positive, AB-positive, and of course other O-positives. Patients with O-positive blood can receive blood transfusions from other O-positives or O-negative donors.


Compatible blood transfusions



What blood is not compatible with B?

People with type B blood will react against type A or type AB blood. People with type O blood will react against type A, type B, or type AB blood. People with type AB blood will not react against type A, type B, type AB, or type O blood.

What two blood types should not marry?

Blood typing
  • If you have type A blood, you should only receive types A or O blood.
  • If you have type B blood, you should only receive types B or O blood.
  • If you have type AB blood, you can receive types A, B, AB, or O blood.
  • If you have type O blood, you should only receive type O blood.


Can blood type cause miscarriage?

Rh factor: Miscarriage can be caused because of the incompatibility of the mother's blood and the blood of the unborn foetus commonly known as Rh factor incompatibility. This type of miscarriage occur when the blood type of mother is Rh negative, and the foetus blood type is Rh positive.


What are the 3 rarest blood types?

The rarest blood types are:
  • B negative(B -ve), which is found in 1.5 percent of the total population.
  • AB negative(AB -ve), which is found in 0.6 percent of the total population.
  • AB positive(AB +ve), which is found in 3.4 percent of the total population.


Which blood type is dominant B or O?

The ABO gene has three types of alleles: A, B, and O. The first two, A and B, are codominant, in other words, they dominate equally. However, allele O is recessive.

How rare is O negative blood?

Only 7% of the population are O negative. However, the need for O negative blood is the highest because it is used most often during emergencies. The need for O+ is high because it is the most frequently occurring blood type (37% of the population). The universal red cell donor has Type O negative blood.


Can a Type O mother have a type B baby?

A mother who is blood type O can only pass an O allele to her son or daughter. A father who is blood type AB could pass either an A or a B allele to his son or daughter. This couple could have children of either blood type A (O from mother and A from father) or blood type B (O from mother and B from father).

Can B negative blood affect pregnancy?

Having an Rh negative blood type is not an illness, and it usually does not affect your health. But it can affect pregnancy. Your pregnancy needs special care if you're Rh negative and your baby is Rh positive. That's called Rh incompatibility.

Which blood group is good for pregnancy?

If you are a positive blood group and your baby is a negative blood group there is no risk posed while you are pregnant.


Does blood type matter for fertility?

Blood type is especially important for women who are pregnant or are considering pregnancy (read on to learn why). Additionally, ongoing research has shown that certain blood types may be at higher risk for developing certain health conditions, and could even possibly impact fertility.

Can your blood type change?

Can your blood type change? Usually, you will have the same blood type all of your life. However, in some cases, the blood types have changed. This has been due to unusual circumstances, such as having a bone marrow transplant or getting certain types of cancers or infections.

Which blood group Cannot marry each other?

A person having Rh factor in blood is called Rh positive whereas that who does not carry this protein in the blood is called Rh negative. Marriage should be avoided in between Rh negative female & Rh positive male.


Can certain blood types not reproduce together?

An O and B crossing can not produce an A or AB child. An AB with an O can produce A children or B children but not O. In short the ABO system can prove you are not a parent but not that you are, as there are millions of other people with the same blood group.

Which parent determines the blood type of the child?

The blood type of a child is determined by both of the parents. Each parent donates an allele for the ABO blood group. The A and B blood alleles are dominant while the O is recessive, meaning that the O will not be expressed when dominant genes are present.

What is the rarest B blood type?

B negative blood is one of the rarest blood types as just 2% of our blood donors have it.


What ethnicity is B positive blood?

Why is B positive blood important? B positive is an important blood type for treating people with sickle cell disease and thalassaemia who need regular transfusions. These conditions affect South Asian and Black communities where B positive blood is more common.

Is O positive blood rare?

38% of the population has O positive blood, making it the most common blood type. O positive red blood cells are not universally compatible to all types, but they are compatible to any red blood cells that are positive (A+, B+, O+, AB+).

Which blood type matches in love?

Blood Type Personality Compatibility

A is most compatible with A and AB. B is most compatible with B and AB. O is most compatible with O and AB. AB is most compatible with AB, B, A, and O.


Do babies always have the father's blood type?

No it doesn't. Neither of your parents has to have the same blood type as you. For example if one of your parents was AB+ and the other was O+, they could only have A and B kids. In other words, most likely none of their kids would share either parent's blood type.
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