性别比在分娩发动及处理中的影响。
Impact of sex ratio on onset and management of labour.
作者信息
Hall M H, Carr-Hill R
出版信息
Br Med J (Clin Res Ed). 1982 Aug 7;285(6339):401-3. doi: 10.1136/bmj.285.6339.401.
Abstract
In a study of 52,266 live singleton deliveries in a total population male babies were delivered at earlier gestations than female. This difference was not due to induction or elective caesarean section. Female babies were more likely to present and be delivered by the breech. When the presentation was cephalic, male babies were much more likely to be delivered by forceps or caesarean section and female babies to deliver spontaneously.
摘要
在一项针对52266例单胎活产的研究中，总体人群中男婴的分娩孕周早于女婴。这种差异并非由引产或选择性剖宫产导致。女婴更有可能以臀位娩出并经臀位分娩。当头位分娩时，男婴更有可能通过产钳或剖宫产分娩，而女婴更有可能自然分娩。
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