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

CONTEXT: Contraceptive 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 occurr...

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Autores principales: Sundaram, Aparna, Vaughan, Barbara, Kost, Kathryn, Bankole, Akinrinola, Finer, Lawrence, Singh, Susheela, Trussell, James
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wiley Subscription Services, Inc. 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5363251/
https://www.ncbi.nlm.nih.gov/pubmed/28245088
http://dx.doi.org/10.1363/psrh.12017
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author Sundaram, Aparna
Vaughan, Barbara
Kost, Kathryn
Bankole, Akinrinola
Finer, Lawrence
Singh, Susheela
Trussell, James
author_facet Sundaram, Aparna
Vaughan, Barbara
Kost, Kathryn
Bankole, Akinrinola
Finer, Lawrence
Singh, Susheela
Trussell, James
author_sort Sundaram, Aparna
collection PubMed
description CONTEXT: Contraceptive 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. METHODS: To estimate failure rates for the most commonly used reversible methods in the United States, data from the 2006–2010 National Survey of Family Growth were used; some 15,728 contraceptive use intervals, contributed by 6,683 women, were analyzed. Data from the Guttmacher Institute's 2008 Abortion Patient Survey were used to adjust for abortion underreporting. Kaplan‐Meier methods were used to estimate the associated single‐decrement probability of failure by duration of use. Failure rates were compared with those from 1995 and 2002. RESULTS: Long‐acting reversible contraceptives (the IUD and the implant) had the lowest failure rates of all methods (1%), while condoms and withdrawal carried the highest probabilities of failure (13% and 20%, respectively). However, the failure rate for the condom had declined significantly since 1995 (from 18%), as had the failure rate for all hormonal methods combined (from 8% to 6%). The failure rate for all reversible methods combined declined from 12% in 2002 to 10% in 2006–2010. CONCLUSIONS: These broad‐based declines in failure rates reverse a long‐term pattern of minimal change. Future research should explore what lies behind these trends, as well as possibilities for further improvements.
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spelling pubmed-53632512017-04-06 Contraceptive Failure in the United States: Estimates from the 2006–2010 National Survey of Family Growth Sundaram, Aparna Vaughan, Barbara Kost, Kathryn Bankole, Akinrinola Finer, Lawrence Singh, Susheela Trussell, James Perspect Sex Reprod Health Articles CONTEXT: Contraceptive 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. METHODS: To estimate failure rates for the most commonly used reversible methods in the United States, data from the 2006–2010 National Survey of Family Growth were used; some 15,728 contraceptive use intervals, contributed by 6,683 women, were analyzed. Data from the Guttmacher Institute's 2008 Abortion Patient Survey were used to adjust for abortion underreporting. Kaplan‐Meier methods were used to estimate the associated single‐decrement probability of failure by duration of use. Failure rates were compared with those from 1995 and 2002. RESULTS: Long‐acting reversible contraceptives (the IUD and the implant) had the lowest failure rates of all methods (1%), while condoms and withdrawal carried the highest probabilities of failure (13% and 20%, respectively). However, the failure rate for the condom had declined significantly since 1995 (from 18%), as had the failure rate for all hormonal methods combined (from 8% to 6%). The failure rate for all reversible methods combined declined from 12% in 2002 to 10% in 2006–2010. CONCLUSIONS: These broad‐based declines in failure rates reverse a long‐term pattern of minimal change. Future research should explore what lies behind these trends, as well as possibilities for further improvements. Wiley Subscription Services, Inc. 2017-02-28 2017-03 /pmc/articles/PMC5363251/ /pubmed/28245088 http://dx.doi.org/10.1363/psrh.12017 Text en © 2017 The Authors. Perspectives on Sexual and Reproductive Health published by Wiley Periodicals, Inc., on behalf of the Guttmacher Institute. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs (http://creativecommons.org/licenses/by-nc-nd/4.0/) License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
spellingShingle Articles
Sundaram, Aparna
Vaughan, Barbara
Kost, Kathryn
Bankole, Akinrinola
Finer, Lawrence
Singh, Susheela
Trussell, James
Contraceptive Failure in the United States: Estimates from the 2006–2010 National Survey of Family Growth
title Contraceptive Failure in the United States: Estimates from the 2006–2010 National Survey of Family Growth
title_full Contraceptive Failure in the United States: Estimates from the 2006–2010 National Survey of Family Growth
title_fullStr Contraceptive Failure in the United States: Estimates from the 2006–2010 National Survey of Family Growth
title_full_unstemmed Contraceptive Failure in the United States: Estimates from the 2006–2010 National Survey of Family Growth
title_short Contraceptive Failure in the United States: Estimates from the 2006–2010 National Survey of Family Growth
title_sort contraceptive failure in the united states: estimates from the 2006–2010 national survey of family growth
topic Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5363251/
https://www.ncbi.nlm.nih.gov/pubmed/28245088
http://dx.doi.org/10.1363/psrh.12017
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