Temporal variation in rates of cesarean section for dystocia: Does “convenience” play a role?
作者： William Fraser , Robert H. Usher , Frances H. McLean , Carol Bossenberry , Mary Ellen Thomson
DOI: 10.1016/0002-9378(87)90272-9
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摘要: Abstract The purpose of this study is to test the hypothesis that convenience for physician plays a role in rate cesarean section performed because dystocia. Three time periods were defined (night, 12 midnight 7:59 am ; day, 8 5:59 pm evening, 6 11:59 ) based on work commitments and daily routines obstetrician. Rates dystocia determined each three periods. An evening peak partially but not entirely explained by an increase proportion patients prolonged labor. When stratified according labor duration ( 16 hours), persistent excess was observed whose
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