Blood type and Rh factor do not affect the health of a child except in rare conditions, usually due to incompatibility with the mother and child when the father and are positive but the mother is negative.
Possible. Tell the OB of the RH difference.
There is a 75% chance the child will be A negative, and a 25% chance the child will be O negative.
no
positive
O negative no choice
It is possible for there to be problems with a pregnancy. If mother's blood type is negative and the father's is positive, and the baby is positive, her blood type may begin to attack the child. Make sure she checks with her doctor regularly during a pregnancy.
Yes. They're just genes - mix & match is normal.
The child will be A or B or AB, Rh+ or Rh- . So yes, the child can be A-.
no
no
I'm not sure how negative or positive is determined, but a B mother and O father can have a B child.
if your child is negative, i would ask for a blood sample from the mailman