What happens if the mother is Rh+ and the baby is Rh?

Motherfetus incompatibility occurs when the mother is Rh– (dd) and her fetus is Rh+ (DD or Dd). Maternal antibodies can cross the placenta and destroy fetal red blood cells. The risk increases with each pregnancy. Europeans are the most likely to have this problem–13% of their newborn babies are at risk.

Also, can a Rh positive mother carry a fetus that is Rh negative?

There can be a problem when an Rh negative mother has a baby with an Rh positive father. If the baby's Rh factor is positive, like his or her father's, this can be an issue if the baby's red blood cells cross to the Rh negative mother.

What are the consequences of Rh incompatibility and what does it lead to?

Rh incompatibility rarely causes complications in a first pregnancy and does not affect the health of the mother. But if Rh antibodies develop, they could be dangerous to a fetus during later pregnancies. Rh disease can cause severe anemia, jaundice, brain damage, and heart failure in a newborn.

Do Rh positive mothers need RhoGAM?

HDFN is caused when your antibodies try to destroy your baby's red blood cells. RhoGAM is only administered to Rh-negative moms, and is never injected into babies. While there can be mixing of blood between mom and baby, the dose of antibodies in RhoGAM given to Rh-negative moms has never been shown to harm the fetus.
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