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.
Wang E, Glazer KB, Howell EA, Janevic TM.Wang E, et al. Among authors: howell ea.Obstet Gynecol. 2020 Apr;135(4):896-915. doi: 10.1097/AOG.0000000000003762.Obstet Gynecol. 2020.PMID: 32168209Free PMC article.
Howell EA, Padrón NA, Beane SJ, Stone J, Walther V, Balbierz A, Kumar R, Pagán JA.Howell EA, et al.Matern Child Health J. 2017 Mar;21(3):432-438. doi: 10.1007/s10995-016-2221-8.Matern Child Health J. 2017.PMID: 28132168Free PMC article.