A woman with Rh-negative blood who becomes pregnant by an Rh-positive man creates the possibility of having a Rh-positive fetus inside a Rh-negative mother. In rare circumstances, if the blood of the fetus mixes with the mother’s blood (they’re not…
A woman with Rh-negative blood who becomes pregnant by an Rh-positive man creates the possibility of having a Rh-positive fetus inside a Rh-negative mother. In rare circumstances, if the blood of the fetus mixes with the mother’s blood (they’re not…