The third stage of parturition is called "after-birth". In this stage
excessive bleeding occurs
foetus is born and the contraction of the cervix and vagina to normal condition happens
foetus is born and contraction of the uterine wall prevents excessive bleeding
The correct option is D placenta is expelled out
Third stage of parturition (placental stage) is the time after the delivery until the placenta or after birth is expelled by powerful uterine contractions. Umbilical cord is cut close to the baby's navel. It lasts for 10-15 minutes after the birth of child.