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.
Meissner K, Schweizer-Arau A, Limmer A, Preibisch C, Popovici RM, Lange I, de Oriol B, Beissner F.Meissner K, et al.Obstet Gynecol. 2016 Nov;128(5):1134-1142. doi: 10.1097/AOG.0000000000001691.Obstet Gynecol. 2016.PMID: 27741200Clinical Trial.