The rapid maturation of the placenta is related to the early and excessive amount of calcium supplementation. During pregnancy, excessive calcium supplementation can easily lead to calcification of the placenta, which can easily lead to premature maturation. If the placenta matures too early, it will easily lead to slower blood circulation, which will affect the fetal oxygen supply and cause fetal stunting. If the placenta matures too fast, the first thing you should consider is serious placental aging; during this period you should pay attention to the fact that if the placenta matures too early and too fast, you should promptly reduce the amount of calcium you usually eat, and you should also pay attention to the fact that you should try to eat less food with high calcium content, and you can eat more fresh fruits and vegetables in moderation to accelerate your metabolism. Because the placenta will affect the growth of the fetus after maturation and aging, it will easily cause intrauterine hypoxia in the fetus.