31 weeks placental maturity grade 2 cause

Pregnant women 31 weeks belong to the third trimester, normal placenta for 4 grades. Placental maturity grade is a measure of fetal maturity, early pregnancy and second trimester placenta maturity for grade 1. With the increase in gestational age and gradually mature, about 36 weeks after the placenta maturity for grade 2. Therefore, if 31 weeks placenta maturity grade 2, represents premature aging of the placenta, this is a bad phenomenon. Placenta aging will affect the supply of fetal nutrition easily lead to intrauterine hypoxia, may be caused by excessive calcium supplement, need to stop calcium supplement and eat more vitamins and protein food.