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.
Landres IV, Small M, Sirjusingh A, Ramsewak S, Williams KP.Landres IV, et al. Among authors: williams kp.Pregnancy Hypertens. 2014 Jul;4(3):220-3. doi: 10.1016/j.preghy.2014.04.005. Epub 2014 May 3.Pregnancy Hypertens. 2014.PMID: 26104609
Rychel V, Williams KP.Rychel V, et al. Among authors: williams kp.Hypertens Pregnancy. 2003;22(1):57-62. doi: 10.1081/PRG-120017004.Hypertens Pregnancy. 2003.PMID: 12648443