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.
Miller ES, Sakowicz A, Roy A, Yang A, Sullivan JT, Grobman WA, Wisner KL.Miller ES, et al. Among authors: sakowicz a.Am J Obstet Gynecol. 2019 Mar;220(3):271.e1-271.e10. doi: 10.1016/j.ajog.2018.12.015. Epub 2018 Dec 14.Am J Obstet Gynecol. 2019.PMID: 30557551Free PMC article.