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.
Cotterill M, Harris SE, Collado Fernandez E, Lu J, Huntriss JD, Campbell BK, Picton HM.Cotterill M, et al. Among authors: picton hm.Mol Hum Reprod. 2013 Jul;19(7):444-50. doi: 10.1093/molehr/gat013. Epub 2013 Mar 5.Mol Hum Reprod. 2013.PMID: 23468533Free PMC article.