Usually not the first pregnancy, but if the baby is rh positive, during birth some of the baby's blood may cross into the mother's bloodstream and then she will be sensitized and will produce anti-rh antibodies, which could harm the second baby if it is rh positive. There is an injection that is given to rh negative mothers during pregnancy to prevent this reaction.
Nope. Generally there may be problems only if mother is negative and the father is positive. The antibodies to A/B blood types are too large to pass through the placenta and so cannot hurt the baby.
ab+ a+ b+
there is no problem with that, your Rh+ comes from your mother :) ur father genotype is Rh-Rh- your mother should be Rh+Rh+ or Rh+Rh- so you took one Rh- from your father and one Rh+ from your mother the result will be Rh+Rh- and because the +ve propriety is more dominant your blood type will be +ve even if you have the mix of Rh+Rh-
Yes. That pair have no blood type incompatibilities.
There should not be a problem during pregnancy because of a difference in blood type.
Mother is a plus child 0 plus what could father be?
Not a problem concerning Haemolytic disease of the newborn (HDN), the mum would have to be rh negative for that to be a potential issue.
Can O plus mother and B plus father can give A plus son?
No; that ABO Rh combination will not affect the pregnancy. Other factors may, of course.
No
no
No
A
yes
No!
b positive :)
Yes. If the father were BO+ and the mother were AO+, there is a 25% chance their child could be an O+.