For a comprehensive overview of these recommendations, the full-text version of this Committee Opinion is available athttp://dx.doi.org/10.1097/AOG.0000000000001214. Committee on Obstetric PracticeThis document reflects emerging clinical and scientific advances as of the date issued and is subject to change. The information should not be construed as dictating an exclusive course of treatment or procedure to be followed. Copyright December 2015 by the American College of Obstetricians and Gynecologists, 409 12th Street, SW, PO Box 96920, Washington, DC 20090-6920. All rights reserved. Official Citation Physical activity and exercise during pregnancy and the postpartum period. Committee Opinion No. 650. American College of Obstetricians and Gynecologists. Obstet Gynecol 2015;126:e135–42.