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2012–2014 Continuity and Change in Contraceptive Use Study

The Continuity and Change in Contraceptive Use study assessed contraceptive use patterns in the United States by collecting data from a nationally representative probability sample of more than 4,600 women who were aged 18–39 at baseline. Women completed four online surveys (one every six months) between 2012 and 2014. The longitudinal data collected allow examination of patterns of contraceptive use and a wide range of issues that inform those patterns, including pregnancy motivation, life events, relationship dynamics and access to health care.