Odds ratios (ORs) for velamentous and marginal cord insertions according to maternal and pregnancy characteristics, based on 623,478 singleton pregnancies in Norway recorded between 1999 and 2009 and adjusted for maternal age and parity.
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CI, confidence interval; NA, not answered;¥not adjusted for maternal age;*not adjusted for parity.
创建时间：
2015-12-02
