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.
Jamshidi R, Penman-Aguilar A, Wiener J, Gallo MF, Zenilman JM, Melendez JH, Snead M, Black CM, Jamieson DJ, Macaluso M.Jamshidi R, et al. Among authors: zenilman jm.Contraception. 2013 Dec;88(6):749-57. doi: 10.1016/j.contraception.2013.08.003. Epub 2013 Aug 14.Contraception. 2013.PMID: 24028752Free PMC article.