Contraceptive Failure in the United States: Estimates from the 2006–2010 National Survey of Family Growth

摘要

CONTEXTContraceptive failure rates measure a woman's probability of becoming pregnant while using a contraceptive. Information about these rates enables couples to make informed contraceptive choices. Failure rates were last estimated for 2002, and social and economic changes that have occurred since then necessitate a reestimation.