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Database - Alliance francophone pour l'accouchement respecté (AFAR)

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Created on : 19 Feb 2008
Modified on : 19 Feb 2008

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Bibliographical entry (without author) :

Factors associated with the pattern of maternal weight gain during pregnancy Obstet. Gynecol., Aug 1995; 86: 170 - 176.

Author(s) :

B Abrams, S Carmichael, S Selvin

Year of publication :


URL(s) :…

Résumé (français)  :

Abstract (English)  :

OBJECTIVE: To examine the pattern of maternal weight gain using maternal characteristics and pregnancy outcome. METHODS: We used maternal weight data measured prospectively from all deliveries between 1980-1990 at the University of California, San Francisco. Piecewise linear regression was used to estimate the rate of maternal weight gain in each trimester. Bivariate techniques were used to examine associations between maternal weight gain per trimester and maternal characteristics and pregnancy outcomes. We also used multiple regression analysis to examine the relationship between maternal characteristics and trimester weight gain. RESULTS: Weight data for at least one trimester were available for 10,418 women. The average rate of weight gain (kg/week) was lowest during the first trimester (0.169 +/- 0.268, n = 7587), peaked during the second trimester (0.563 +/- 0.236, n = 8000), and slowed slightly in the third trimester (0.518 +/- 0.234, n = 10,052). Maternal height, hypertension, cesarean delivery, and fetal size correlated positively with the rate of gain in each trimester, but pre-pregnancy body size, age, parity, smoking status, race-ethnicity, and diabetes were associated differently with gain, depending on which trimester was examined. The most important maternal predictors of weight gain per trimester were age and Asian race-ethnicity in the first trimester; pre-pregnancy body mass, parity, and height in the second; and hypertension, age, and parity in the third. CONCLUSION: Maternal weight gain per trimester is associated with a number of maternal characteristics and pregnancy outcomes, and these relationships vary according to which trimester is being examined.

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Keywords :

➡ c-section/caesarean ; maternal weight

Author of this record :

Emmanuelle Phan — 19 Feb 2008

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