Interpretation of maternal and infant blood type

Maternal blood out is a kind of related to blood type, becauseA pregnant womanAnd fetal between blood types and occurrence of hemolytic disease, in the early fetal and neonatal.Fetal red blood cells in the body by aggregation, destruction, it is an important cause of fetal or neonatal hemolysis.

Fetal red blood cells carry antigen from the parent body, so the fetal blood type may be different from the mother.Fetal blood group antigen obtained by father genetic if is pregnant women lack of body, so when the fetal red blood cells in maternal blood circulation, will induce the mother's immune system to produce antibodies, antibody again through the circulation of the blood and placenta into the fetal body, thus will cause a series of immune reaction.This kind of antibody can combination of fetal red blood cells, make its agglutinate, destruction, cause the hemolysis.

After blood out

Maternal and child is the most common blood type for the mother's blood type is o,babyIs type a or type b.The mother and child abo blood group is in pregnancy are not uncommon, accounting for about 20%, but in the end of neonatal hemolysis rarely, only accounts for 1/150 of this kind of pregnant women, and most symptoms are very light, so often ignored by parents.Only about 1/5 of the infant jaundice may occur, its symptoms also is much lighter than rh hemolytic disease.

Abo blood group not to cause hemolysis often may occur in the first tire, but fetal blood type 1 out of fetal and neonatal hemolysis clinical symptom is lighter, prenatal generally asymptomatic, serious can be characterized by such as abortion, stillbirth, and production of stillbirth rate is high, the newborn can be characterized by mild, moderate anemia and jaundice.

Severe hemolytic disease of newborn, can appear gradually aggravate jaundice, anemia, depression, don't eat milk, the symptom such as vomiting, some even can produce convulsions, seizures, known as the nuclear medical jaundice, severe cases can within 3 ~ 5 days after the onset of death.Nuclear jaundice occurs, after treatment the surviving baby also most mental and motor function not entire legacy and sequelae.