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Prenatal weight gain patterns and birth weight among nonobese black and white women Obstet. Gynecol., Oct 1996; 88: 490 - 496.

Auteur·e(s) :

CA Hickey, SP Cliver, SF McNeal, HJ Hoffman, RL Goldenberg

Année de publication :

1996

URL(s) :

http://www.greenjournal.org/cgi/content/abstract/8…

Résumé (français)  :

Abstract (English)  :

OBJECTIVE: To examine the association between prenatal weight gain patterns and birth weight, using Institute of Medicine (IOM) guidelines. METHODS: Data from a prospective follow-up study of risk factors for fetal growth restriction were used to examine the impact of low weight gain on mean birth weight. A total of 415 nonobese (body mass index [BMI] less than 26) black (n = 275) and white (n = 140) women who delivered at term were included in this analysis. Linear regression analysis was used to examine the impact of low first-trimester gain (less than 2.3 kg with low BMI [less than 19.8]; less than 1.6 kg with normal BMI [19.8-26.0]) and low second- and third-trimester rates of gain (less than 0.38 kg/week with low BMI; less than 0.37 kg/week with normal BMI) on mean birth weight while controlling for selected sociodemographic and reproductive variables.

RESULTS: Patterns with low gain in the first and second or in the second and third trimesters were associated with significant decreases in mean birth weight, ranging from 206 to 265 g; low gain in only the first or third trimester was not associated with a significant decrease in mean in birth weight. The impact of low gain on mean birth weight varied by ethnic group.

CONCLUSION: These observations suggest that inadequate patterns of prenatal weight gain, defined by IOM guidelines, are associated with decreased birth weight, particularly when the patterns involve low second-trimester gain.

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Auteur·e de cette fiche :

Emmanuelle Phan — 18 Feb 2008