THE FREQUENCY OF BREECH PRESENTATION BY GESTATIONAL-AGE AT BIRTH - A LARGE POPULATION-BASED STUDY
THE FREQUENCY OF BREECH PRESENTATION BY GESTATIONAL-AGE AT BIRTH - A LARGE POPULATION-BASED STUDY
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DOI：
10.1016/0002-9378(92)91347-d
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发表时间：
1992-03-01
影响因子：
9.8
通讯作者：
DALING, JR
中科院分区：
文献类型：
--
作者：
HICKOK, DE;GORDON, DC;DALING, JR
根据对出生记录的研究，发现与其他有关产前超声检查的报告相比，每个胎龄分娩时臀位的发生率较低。 选择偏差或劳动力的影响可能是观察到的差异的原因。
From a study of birth records, breech presentation at delivery for each gestational age was found to be less frequent as compared with other reports about antenatal ultrasonographic examination. Selection bias or the effect of labor may account for the observed difference.