When a mother-to-be and father-to-be are not both positive or negative for Rh factor, its called Rh incompatibility. For example: If a woman who is Rh negative and a man who is Rh positive conceive a baby, the fetus may have Rh-positive blood, inherited from the father.When a mother-to-be and father-to-be are not both positive or negative for Rh factor, its called Rh incompatibility

Can all blood types have babies together?

Although your blood and your babys blood typically do not mix during pregnancy, a minimal amount of your babys blood and your blood could come in contact with each other during delivery. If theres an Rh incompatibility and this happens, your body might produce Rh antibodies against Rh factor.

What blood types do not mix in pregnancy?

It is possible for a mothers red blood cells to cross into the placenta or fetus during pregnancy .A-B-O incompatibility occurs when:the mother is type O and the baby is B, A, or AB.the mother is type A and their baby is B or AB.the mother is type B and their baby is A or AB.