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.
Chi DS, Abu-Rustum NR, Sonoda Y, Ivy J, Rhee E, Moore K, Levine DA, Barakat RR.Chi DS, et al. Among authors: ivy j.Am J Obstet Gynecol. 2005 May;192(5):1614-9. doi: 10.1016/j.ajog.2004.11.018.Am J Obstet Gynecol. 2005.PMID: 15902166