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Randomized Controlled Trial
. 2014 Jan;23(1):38-43.
doi: 10.1089/jwh.2012.4241. Epub 2013 Oct 24.

Weight and body composition changes during oral contraceptive use in obese and normal weight women

Elizabeth R Mayeda  1 , Anupama H Torgal, Carolyn L Westhoff
Affiliations
Randomized Controlled Trial

Weight and body composition changes during oral contraceptive use in obese and normal weight women

Elizabeth R Mayeda et al. J Womens Health (Larchmt). 2014 Jan.

Abstract

Background: Oral contraceptive (OC) use seems to have little effect on weight change in normal weight women. Most previous studies have excluded obese women, so the effect of OC use on weight change in obese women is unknown.

Methods: This analysis evaluates weight and body composition change with OC use among obese (body mass index [BMI] 30.0-39.9) and normal weight (BMI 19.0-24.9) women who were randomly assigned to two OC doses: 20 μg ethinyl estradiol (EE) and 100 μg levonorgestrel (LNG) OCs or 30 μg EE and 150 μg LNG OCs. Follow-up occurred after three to four OC cycles. Weight and body composition were measured at baseline and at follow-up using a bioelectrical impedance analyzer.

Results: Among 150 women (54 obese and 96 normal weight) who used OCs for 3 to 4 months, there were no clinically or statistically significant weight or body composition changes in the overall group or by BMI or OC formulation group.

Conclusions: These findings add to evidence that EE/LNG OCs are not associated with short term weight or body composition change for normal weight women and suggest that OCs are also are not associated with short term weight or body composition change in obese women.

Trial registration: ClinicalTrials.gov NCT00827632.

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Figures

<b>FIG. 1.</b>
FIG. 1.
Weight change (kg) after 3 months of oral contraceptive use by body mass index group.
<b>FIG. 2.</b>
FIG. 2.
Weight change (kg) after 3 months of oral contraceptive use by oral contraceptive group.
See this image and copyright information in PMC

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