Describe some of the important abnormalities of the placenta and umbilical cord that may have an unfavorable effect on pregnancy. In infants with hemolytic disease, why does jaundice increase after...

Describe some of the important abnormalities of the placenta and umbilical cord that may have an unfavorable effect on pregnancy.

In infants with hemolytic disease, why does jaundice increase after delivery? Why does anemia become more severe after delivery?