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.
El-Messidi A, Mallozzi A, Oppenheimer L.El-Messidi A, et al. Among authors: oppenheimer l.J Obstet Gynaecol Can. 2012 Apr;34(4):320-324. doi: 10.1016/S1701-2163(16)35211-2.J Obstet Gynaecol Can. 2012.PMID: 22472330