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.
Society for Maternal-Fetal Medicine (SMFM); Sciscione A, Berghella V, Blackwell S, Boggess K, Helfgott A, Iriye B, Keller J, Menard MK, O'Keeffe D, Riley L, Stone J.Society for Maternal-Fetal Medicine (SMFM), et al. Among authors: helfgott a.Am J Obstet Gynecol. 2014 Dec;211(6):607-16. doi: 10.1016/j.ajog.2014.09.013. Epub 2014 Oct 17.Am J Obstet Gynecol. 2014.PMID: 25439812