Can cause fetal death during the reasons

The good thing is the satisfaction of all pregnancy, We all tried by every means to love, hope the arrival of the small life, but some of fetal death in her mother's quietly of course, to the parents and people around the cause great harm. What reasons can cause such a tragic end? Common causes are: ① placental insufficiency, shape abnormalities, such as membrane-like placenta, contour placenta, the placenta ages, fetal placental blood supply to tumors impeded. ② umbilical cord too long knotting, and reverse, of umbilical artery occlusion or umbilical cord around the neck,such as a hidden umbilical cord too short, blocking the blood supply between mother and child. ③ Hypamnion. ④ lack of maternal nutrition, hypertension, heart disease, diabetes, chronic liver disease, kidney disease. ⑤ pregnancy with a high of pregnancy. ⑥ pregnancy with fetal hypoxia resulting infection can not be tolerated when the blood supply contractions reduction choked to death. Before pregnancy comprehensive inspection, under the guidance of a doctor in the queue and the reasons for the increase may be treated on time after pregnancy health care, guardianship, if necessary, to the hospital and treatment to ensure access to live births.