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.
Shebl O, Ebner T, Sir A, Schreier-Lechner E, Mayer RB, Tews G, Sommergruber M.Shebl O, et al. Among authors: mayer rb.Fertil Steril. 2011 Feb;95(2):832-4. doi: 10.1016/j.fertnstert.2010.09.012.Fertil Steril. 2011.PMID: 20970126