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.
Del Valle GO, Sanchez-Ramos L, Jordan CW, Gaudier FL, Delke I.Del Valle GO, et al. Among authors: jordan cw.J Matern Fetal Med. 1996 Jan-Feb;5(1):39-40. doi: 10.1002/(SICI)1520-6661(199601/02)5:1<39::AID-MFM9>3.0.CO;2-U.J Matern Fetal Med. 1996.PMID: 8796765