Rh Factor Father Negative Mother Positive
This makes the fetus rh positive too.
Rh factor father negative mother positive. 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. You may develop antibodies to an rh positive baby. Problems can arise when the fetus s blood has the rh factor and the mother s blood does not. If the mother is rh negative and the fetus is rh positive the woman s immune system responds with antibodies to the rh factor.
Being rh positive or rh negative means that either you have the rhesus d antigen on your rbcs positive or you don t negative. The chances of responding and the strength of the response increase. About half of the children born to an rh negative mother and rh positive father will be rh positive rh incompatibility usually isn t a problem if it s the mother s first pregnancy. With an rh neg mom and an rh pos dad it is possible for your baby to be either rh pos or neg.
Rh status is inherited from our parents separately from our blood type. Most people have rh positive blood which means that they have rh antigens proteins on their red blood cells. If you inherit the dominant rhesus d antigen from one or both of your parents then you are rh positive 85 of us. It will be necessary for the baby to tested after birth.