An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Mishell DR Jr, Guillebaud J, Westhoff C, Nelson AL, Kaunitz AM, Trussell J, Davis AJ.Mishell DR Jr, et al. Among authors: nelson al.Contraception. 2007 Jan;75(1):4-10. doi: 10.1016/j.contraception.2006.08.008. Epub 2006 Oct 13.Contraception. 2007.PMID: 17161116
Mishell DR Jr, Guillebaud J, Westhoff C, Nelson AL, Kaunitz AM, Trussell J, Davis AJ.Mishell DR Jr, et al. Among authors: nelson al.Contraception. 2007 Jan;75(1):11-5. doi: 10.1016/j.contraception.2006.08.012. Epub 2006 Oct 11.Contraception. 2007.PMID: 17161117
Jensen JT, Nelson AL, Costales AC.Jensen JT, et al. Among authors: nelson al.Contraception. 2008 Jan;77(1):22-9. doi: 10.1016/j.contraception.2007.09.006. Epub 2007 Nov 26.Contraception. 2008.PMID: 18082662Clinical Trial.
Natavio M, Stanczyk FZ, Molins EAG, Nelson A, Jusko WJ.Natavio M, et al.Contraception. 2019 May;99(5):306-311. doi: 10.1016/j.contraception.2019.01.003. Epub 2019 Jan 28.Contraception. 2019.PMID: 30703352Free PMC article.