Laura D Lindberg1, John S Santelli2, Sheila Desai3. 1. The Guttmacher Institute, New York, New York. Electronic address: LLindberg@guttmacher.org. 2. The Guttmacher Institute, New York, New York; Columbia University Mailman School of Public Health, New York, New York. Electronic address: Js2637@columbia.edu. 3. The Guttmacher Institute, New York, New York. Electronic address: SDesai@guttmacher.org.
Abstract
PURPOSE: To investigate the influence of sexual activity and contraceptive use on the decline in adolescent birth rates and pregnancy rates since 2007. METHODS: We estimated trends in pregnancy risk from 2007 to 2014 using national data on behaviors of women aged 15-19. RESULTS: In 2007-2014, increases occurred in use of one or more contraceptive methods at last sex (78%-88%), dual method use (24%-33%), long-acting reversible contraception including intrauterine device and implant (1%-7%), withdrawal (15%-26%), and withdrawal in combination with other methods (7%-17%). Pill use rose and then fell over time. Level of sexual activity did not change over time. The decline in pregnancy risk among women aged 15-19 was entirely attributable to improvements in contraceptive use. CONCLUSIONS: Improvements in contraceptive use-including increases in use of long-acting reversible contraception and withdrawal in combination with another method-appear to be driving recent declines in adolescent birth and pregnancy rates.
PURPOSE: To investigate the influence of sexual activity and contraceptive use on the decline in adolescent birth rates and pregnancy rates since 2007. METHODS: We estimated trends in pregnancy risk from 2007 to 2014 using national data on behaviors of women aged 15-19. RESULTS: In 2007-2014, increases occurred in use of one or more contraceptive methods at last sex (78%-88%), dual method use (24%-33%), long-acting reversible contraception including intrauterine device and implant (1%-7%), withdrawal (15%-26%), and withdrawal in combination with other methods (7%-17%). Pill use rose and then fell over time. Level of sexual activity did not change over time. The decline in pregnancy risk among women aged 15-19 was entirely attributable to improvements in contraceptive use. CONCLUSIONS: Improvements in contraceptive use-including increases in use of long-acting reversible contraception and withdrawal in combination with another method-appear to be driving recent declines in adolescent birth and pregnancy rates.
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