Body weight and fat trajectories of Black and White women in the first postpartum year

Author:

Wang Xuewen1ORCID,Kishman Erin E.1,Liu Jihong2ORCID,Castleberry Lauren A.34,McLain Alexander2,Sparks Joshua R.5,Cook James W.4

Affiliation:

1. Department of Exercise Science University of South Carolina School of Public Health Columbia South Carolina USA

2. Department of Epidemiology and Biostatistics University of South Carolina School of Public Health Columbia South Carolina USA

3. Department of Obstetrics and Gynecology Lexington Medical Center West Columbia South Carolina USA

4. Department of Obstetrics and Gynecology University of South Carolina School of Medicine Columbia South Carolina USA

5. Reproductive Endocrinology and Women's Health Laboratory Pennington Biomedical Research Center, Louisiana State University Baton Rouge Louisiana USA

Abstract

AbstractObjectiveThe aim of this study was to examine changes in body weight and fat in Black and White women during the first postpartum year and to determine whether there is preferential retention of fat mass and abdominal fat.MethodsBody composition was quantified by dual‐energy x‐ray absorptiometry in Black (n = 49) and White (n = 85) women at 6 to 8 weeks, 6 months, and 12 months after delivery of a singleton infant.ResultsWeight, fat mass, percent body fat, and fat in the trunk, android, gynoid, and limb regions decreased from 6 to 8 weeks to 12 months in White women, but not in Black women (fat mass, adjusted mean [SE]: 29.6 [1.3] to 26.9 [1.3] kg in White women and 34.5 [1.5] to 36.8 [1.8] kg in Black women). In the entire sample, fat mass was higher at 6 months than at 6 to 8 weeks, independent of weight change; visceral fat was higher at 12 months (686 [45] g) than at 6 to 8 weeks (611 [42] g) and 6 months (626 [43] g); and android fat was higher at 12 months than at 6 months, independent of fat change.ConclusionsBlack women were less likely than White women to lose weight and fat in the postpartum period. There was preferential retention of fat in the abdominal area.

Funder

National Institute on Minority Health and Health Disparities

Publisher

Wiley

Subject

Nutrition and Dietetics,Endocrinology,Endocrinology, Diabetes and Metabolism,Medicine (miscellaneous)

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