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.
Miles RA, Cassidenti DL, Carmina E, Gentzschein E, Stanczyk FZ, Lobo RA.Miles RA, et al. Among authors: lobo ra.Fertil Steril. 1992 Oct;58(4):708-12. doi: 10.1016/s0015-0282(16)55316-3.Fertil Steril. 1992.PMID: 1426314Free article.