Blood type and reproductive capacity. Part 2

 

AB0 incompatibility

As can be seen from the table above, if a mother is the owner of the first blood group, and a father has any other, the child can inherit the first, second and third groups with varying degrees of probability. In the inheritance of the second and third groups, the mother’s blood cells perceive the erythrocytes of the child as “hostile cells” (because the mother does not have protein A or B) and, attacking the antibodies with antigens, try to get rid of them. This situation develops in about 20% of cases, and 20% of their number experience spontaneous miscarriages at different periods and jaundice of newborns.

Rhesus conflict

It occurs when the Rh factor is positive for the embryo and negative for the mother. The mechanism is the same as with AB0 incompatibility. Rhesus conflict can cause miscarriage, anemia or jaundice of a newborn.

Immune response

A number of specialists involved in the treatment of infertility believe that the owners of the first blood group have an unbalanced immune response, which does not allow the embryo to be successfully implanted. Most often it happens during IVF.

Blood type and follicular reserve

Specialists of Albert Einstein Medical College (New York, USA) claim according to the results of the study that women over the age of 30 and having the first blood group have a high FGS level two times more often than women with the second group. Follicle-stimulating hormone is not the only factor affecting the state of the eggs, but its value is quite large.

What measures should be taken if you are worried

First, try to calm down. Group affiliation is not the most common factor affecting successful conception and successful pregnancy. More often, for example, tubal obstruction or polycystic ovary syndrome are causes of infertility. The absolute majority of women with the first blood group independently become pregnant, carry and give birth to absolutely healthy babies. Many women with this group successfully undergo IVF. Couples with AB0-incompatibility in 80% do not have any problems with conception and carrying. When planning a pregnancy, it is much more important to lead a healthy lifestyle, stop drinking alcohol, give up all types of drugs, smoking, follow a healthy diet, avoid overwork and stress. These factors primarily affect the quality of the gametes and the general state of the body of the expectant mother and can significantly increase the chance of giving birth to healthy offspring.

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