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.
O'Donnell E, Harvey PJ, De Souza MJ.O'Donnell E, et al.Clin Endocrinol (Oxf). 2009 Feb;70(2):294-302. doi: 10.1111/j.1365-2265.2008.03332.x. Epub 2008 Jun 27.Clin Endocrinol (Oxf). 2009.PMID: 18616718
De Souza MJ, Toombs RJ, Scheid JL, O'Donnell E, West SL, Williams NI.De Souza MJ, et al.Hum Reprod. 2010 Feb;25(2):491-503. doi: 10.1093/humrep/dep411. Epub 2009 Nov 26.Hum Reprod. 2010.PMID: 19945961