Disparities in Pregnancy Outcomes According to Marital and Cohabitation Status

  title={Disparities in Pregnancy Outcomes According to Marital and Cohabitation Status},
  author={Zhong-Cheng Luo and Russell Wilkins and Michael S. Kramer},
  journal={Obstetrics \& Gynecology},
OBJECTIVE: To assess the risks and trends of adverse pregnancy outcomes among mothers in common-law unions versus traditional marriage relationships. METHODS: We conducted a birth cohort-based study of all 720,586 births registered in Quebec for the years 1990 to 1997. RESULTS: The proportion of births to common-law mothers more than doubled from 20% in 1990 to 44% in 1997. Preterm birth, low birth weight, small for gestational age, and neonatal and postneonatal mortality rates increased… 

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  • 2002
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