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. 2018 Jan;26(1):185-192.
doi: 10.1002/oby.22048. Epub 2017 Nov 16.

Prepregnancy Body Mass Index, Gestational Weight Gain, and Odds of Cesarean Delivery in Hispanic Women

Megan W Harvey  1 , Barry Braun  2 , Karen A Ertel  1 , Penelope S Pekow  1 , Glenn Markenson  3 , Lisa Chasan-Taber  1
Affiliations

Prepregnancy Body Mass Index, Gestational Weight Gain, and Odds of Cesarean Delivery in Hispanic Women

Megan W Harvey et al. Obesity (Silver Spring). 2018 Jan.

Abstract

Objective: This study aimed to evaluate the association between prepregnancy body mass index (BMI), gestational weight gain (GWG), and cesarean delivery in Hispanics.

Methods: We examined these associations among 1,215 participants in Proyecto Buena Salud, a prospective cohort of Hispanic women studied from 2006 to 2011. Prepregnancy BMI, GWG, and the mode of delivery were abstracted from medical records.

Results: A quarter of the participants entered pregnancy with obesity, 23% delivered via cesarean, and 52% exceeded the Institute of Medicine guidelines for GWG. After adjusting for age, women with obesity had 2.03 times the odds of cesarean delivery compared with women with normal BMI (95% confidence interval [CI]: 1.46-2.82); findings remained significant after adjusting for GWG. Women with excessive total GWG had 1.49 times the odds of cesarean delivery (95% CI: 1.06-2.10) compared with women who gained within guidelines. An excessive rate of third trimester GWG (standard deviation [SD] change in GWG per week) increased the odds of cesarean delivery (odds ratio = 1.66; 95% CI: 1.05-2.62), while an excessive rate of first and third trimester GWG was not associated with increased odds.

Conclusions: Obesity prior to pregnancy was associated with increased odds of cesarean delivery among Hispanics. Excessive GWG across pregnancy and an excessive rate of third trimester GWG were also associated with increased odds.

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Conflict of interest statement

Disclosure: The authors declare no conflict of interest.

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