• Elizabeth R Mayeda, Anupama H Torgal, and Carolyn L Westhoff.
• 1 Department of Obstetrics and Gynecology, Columbia University Medical Center , New York, New York.
• J Womens Health (Larchmt). 2014 Jan 1; 23 (1): 384338-43.

BackgroundOral 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.MethodsThis 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.ResultsAmong 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.ConclusionsThese 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.

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