Naeye R L
JAMA. 1977 Jul 18;238(3):228-9.
The underlying causes of 80% of perinatal deaths were identified in a study of 53,518 pregnacies in the United States: 17% of the deaths were due to amniotic fluid infections, 11% to abruptio placentae, 10% to premature rupture of the membranes, 9% to congenital anomalies, 6% to large placental infarcts, and the rest to more than 20 other specific disorders.
在美国一项针对53518例妊娠的研究中，确定了80%围产期死亡的潜在原因：17%的死亡是由于羊水感染，11%是由于胎盘早剥，10%是由于胎膜早破，9%是由于先天性异常，6%是由于大面积胎盘梗死，其余则归因于20多种其他特定疾病。
