Prepregnancy Body Size, Gestational Weight Gain, and Risk of Preterm Birth in African-American Women
Background: Studies of the association of prepregnancy body mass index (BMI) and preterm birth have been inconclusive, and no studies have examined the effect of central adiposity on risk. There is also uncertainty about optimal gestational weight gain among Black women. Methods: Using self-reported...
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Veröffentlicht in: | Epidemiology (Cambridge, Mass.) Mass.), 2010-03, Vol.21 (2), p.243-252 |
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Zusammenfassung: | Background: Studies of the association of prepregnancy body mass index (BMI) and preterm birth have been inconclusive, and no studies have examined the effect of central adiposity on risk. There is also uncertainty about optimal gestational weight gain among Black women. Methods: Using self-reported prospective data from the Black Women's Health Study, we investigated the relation of preterm birth to prepregnancy BMI (kg/m²), waist circumference, and gestational weight gain among 7840 singletons born to black women, ages 21–44, during 1995–2003. We compared mothers of 1114 infants born 3 or more weeks early (597 spontaneous preterm births and 517 medically-indicated preterm births) with mothers of 6726 term infants. We used generalized estimating equation models to derive multivariable odds ratios (ORs) and 95% confidence intervals (CIs). Results: Relative to normal weight women (BMI: 18.5–24.9), underweight women (BMI: |
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ISSN: | 1044-3983 1531-5487 |
DOI: | 10.1097/EDE.0b013e3181cb61a9 |