American Journal of Obstetrics & Gynecology
Volume 192, Issue 4 , Pages 1325-1329, April 2005

The epidemiology of threatened preterm labor: A prospective cohort study

Departments of Obstetrics and Gynecology, Epidemiology, and Medicine, The University of North Carolina at Chapel Hill, NC

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 Supported by the National Institute of Child Health and Human Development, grant Nos. PIN 1-HD28684, PIN 2-HD28684A, PIN 3-HD37584, and PIN 3/plus/-HD39373.Presented at the 23rd Annual Meeting of the American Gynecological and Obstetrical Society, September 9-11, 2004, Bolton Landing, NY.

PII: S0002-9378(05)00031-1

doi:10.1016/j.ajog.2004.12.055

American Journal of Obstetrics & Gynecology
Volume 192, Issue 4 , Pages 1325-1329, April 2005

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