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Hormonal Methods of Birth Control (cont.)

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How effective are hormonal birth control methods?

Hormonal methods of birth control are some of the most effective forms of birth control available. When used properly, their effectiveness in preventing pregnancy can approach 99%-100%. With typical use of birth control pills, effectiveness is estimated to be about 95%. With any form of hormonal contraception, precisely following instructions for proper use will increase its effectiveness.


Kost K, Singh S, Vaughan B, Trussell J, Bankole A. Estimates of contraceptive failure from the 2002 National Survey of Family Growth. Contraception. 2008;77(1):10-21.

Last Editorial Review: 2/2/2015


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