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.
Reinders A, Cuckson AC, Jones CR, Poet R, O'Sullivan G, Shennan AH.Reinders A, et al. Among authors: shennan ah.BJOG. 2003 Feb;110(2):134-8.BJOG. 2003.PMID: 12618156
Shennan A, Thallon A, Hart D, O'Sullivan G.Shennan A, et al.BJOG. 2005 Oct;112(10):1454. doi: 10.1111/j.1471-0528.2005.00668.x.BJOG. 2005.PMID: 16167958No abstract available.
Shennan A, Crawshaw S, Briley A, Hawken J, Seed P, Jones G, Poston L.Shennan A, et al.BJOG. 2006 Jan;113(1):65-74. doi: 10.1111/j.1471-0528.2005.00788.x.BJOG. 2006.PMID: 16398774Clinical Trial.