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.
Eid W, Biason-Lauber A.Eid W, et al.Birth Defects Res C Embryo Today. 2016 Dec;108(4):365-379. doi: 10.1002/bdrc.21143.Birth Defects Res C Embryo Today. 2016.PMID: 28033664Review.