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1970至1981年间芬兰 Turku 大学中心医院妇产科共出生了30,600个婴儿,这些年对在围产期死亡者均进行严密的临床检查和尸检。凡是规律宫缩开始导致宫颈持续扩张并能听到胎心的胎儿在出生后缺乏生命体征名为分娩期内死亡(IFD)。在20年间共有52例 IFD,总发生率为1.7%。其中1(?)例是严重缺损性畸形(无脑儿和脑积水)排除在外。对其他外形正常体重在1,000g 以上的婴儿 IFD 予以分析。IFD 发生率是1.2‰。除死于感染及1例死于机械性创伤外,缺氧和窒息是 IFD 的主要原因。有2例臀位可能是缺氧和机械性损伤共同造成。前置胎盘使胎儿失血而引起窒息。在37例 IFD 中,近
Between 1970 and 1981, a total of 30,600 babies were born in the obstetrics and gynecology department of the Turku University Central Hospital in Finland. During these years, close clinical examination and autopsy were performed on perinatal deaths. Fetal contractions, which begin to lead to continued cervical expansion and fetal heart rate, lack vital signs after birth and are referred to as IFD. There were 52 IFDs in 20 years, with a total incidence of 1.7%. Of which 1 (?) Cases of severe defect deformity (no brain children and hydrocephalus) excluded. Analysis of other IFDs weighing more than 1,000 g. The incidence of IFD is 1.2 ‰. In addition to death from infection and 1 died of mechanical trauma, hypoxia and asphyxia are the main causes of IFD. 2 cases of breech may be hypoxia and mechanical damage together. Placenta previa blood loss caused by fetal asphyxia. In 37 cases of IFD