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Am J Obstet Gynecol. 2013 Jan;208(1):48.e1-8. doi: 10.1016/j.ajog.2012.10.876. Epub 2012 Oct 24.

Validity of perceived weight gain in women using long-acting reversible contraception and depot medroxyprogesterone acetate.

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  • 1Division of Clinical Research, Department of Obstetrics and Gynecology, Washington University in St. Louis School of Medicine, St. Louis, MO, USA.

Abstract

OBJECTIVE:

The objective of the study was to evaluate perceived weight gain in women using contraception and determine the validity of self-reported weight gain.

STUDY DESIGN:

We analyzed data from new contraceptive method users who self-reported a weight change at 3, 6, and 12 months after enrollment. We examined a subgroup of participants with objective weight measurements at baseline and 12 months to test the validity of self-reported weight gain.

RESULTS:

Thirty-four percent of participants (1407 of 4133) perceived weight gain. Compared with copper intrauterine device users, implant users (relative risk, 1.29; 95% confidence interval, 1.10-1.51) and depot medroxyprogesterone acetate users (relative risk, 1.37; 95% confidence interval, 1.14-1.64) were more likely to report perceived weight gain. Women who perceived weight gain experienced a mean weight gain of 10.3 pounds. The sensitivity and specificity of perceived weight gain were 74.6% and 84.4%, respectively.

CONCLUSION:

In most women, perceived weight gain represents true weight gain. Implant and depot medroxyprogesterone acetate users are more likely to perceive weight gain among contraception users.

Copyright © 2013 Mosby, Inc. All rights reserved.

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