(more than 85%) are Rh positive (Rh+) while a few are Rh negative (Rh-
). Both people lead normal life. If an Rh- woman marries with an Rh+
man then Its pregnancy is normal but in 2nd pregnancy the mother with
Rh- blood may lose the baby due to incompatibility of Rh factor. By
new techniques and procedures now the child can be saved.