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.
Wiebe ER, Trouton K.Wiebe ER, et al.Contraception. 2004 Dec;70(6):463-6. doi: 10.1016/j.contraception.2004.05.003.Contraception. 2004.PMID: 15541407Clinical Trial.
Wiebe E, Fowler D, Trouton K, Fu N.Wiebe E, et al.Contraception. 2006 Mar;73(3):271-3. doi: 10.1016/j.contraception.2005.07.013. Epub 2005 Oct 19.Contraception. 2006.PMID: 16472569
Wiebe ER, Sent L, Fong S, Chan J.Wiebe ER, et al.Contraception. 2002 Feb;65(2):159-63. doi: 10.1016/s0010-7824(01)00297-9.Contraception. 2002.PMID: 11927119