How many placentas can be born

Under normal circumstances, placenta two and three can be born. Placenta can be divided into zero, one, two and three, placenta two indicates that the placenta is mature. 0 and 1 are more common in early pregnancy and second trimester, 2 is generally in the placenta after 36 weeks, marking that the placenta has been relatively mature. 3 is more common in late pregnancy. Clinical report placental maturity is III, it is necessary to cause attention, III and II basically mark fetal maturity. The rate of fetal growth and placental maturity should be synchronized. Most women can conceive beyond 37 weeks, giving birth at or above placental grade 2.