Massachusetts 2004–2006 Nulliparous, Term, Singleton, Vertex (NTSV) Births: Adjusted Odds Ratio.
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*Adjusted for maternal age, education and race, infant birthweight, labor induction, gestational age, shift at birth, and pre-existing medical conditions: diabetes, hypertension, eclampsia, and placenta previa. **Induction of labor was ascertained positive if reported “yes” on BC or on HD with any of the following ICD9 procedure codes: 73.1, 73.01, 73.4.
创建时间：
2013-03-18
