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Contraception. 2012 Apr;85(4):425-7. doi: 10.1016/j.contraception.2011.09.005. Epub 2011 Oct 27.

Contraceptive failure of etonogestrel implant in patients treated with antiretrovirals including efavirenz.

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Maternité, Hôpital Necker-Enfants Malades, 75015 Paris Descartes, France.


Contraception for HIV-positive women is a complex issue. Although the use of condoms is recommended, complementary methods of contraception are often prescribed. Antiretroviral therapy can lead to drug interactions and modify the efficacy of hormonal contraception. Two unintended pregnancies suggest that etonogestrel implants should be used with caution in patients on efavirenz.

[Indexed for MEDLINE]

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