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.
Lawrence A, Lewis L, Hofmeyr GJ, Styles C.Lawrence A, et al. Among authors: lewis l.Cochrane Database Syst Rev. 2013 Oct 9;(10):CD003934. doi: 10.1002/14651858.CD003934.pub4.Cochrane Database Syst Rev. 2013.PMID: 24105444Review.
Lawrence A, Lewis L, Hofmeyr GJ, Dowswell T, Styles C.Lawrence A, et al. Among authors: lewis l.Cochrane Database Syst Rev. 2009 Apr 15;(2):CD003934. doi: 10.1002/14651858.CD003934.pub2.Cochrane Database Syst Rev. 2009.PMID: 19370591Free PMC article.Updated.Review.
Lawrence A, Lewis L, Hofmeyr GJ, Styles C.Lawrence A, et al. Among authors: lewis l.Cochrane Database Syst Rev. 2013 Aug 20;(8):CD003934. doi: 10.1002/14651858.CD003934.pub3.Cochrane Database Syst Rev. 2013.PMID: 23959763Updated.Review.
Lewis L, Hauck YL, Butt J, Hornbuckle J.Lewis L, et al.Aust N Z J Obstet Gynaecol. 2018 Oct;58(5):539-547. doi: 10.1111/ajo.12758. Epub 2018 Jan 17.Aust N Z J Obstet Gynaecol. 2018.PMID: 29344940
O'Connor A, Lewis L, McLaurin R, Barnett L.O'Connor A, et al. Among authors: lewis l.Midwifery. 2015 Aug;31(8):793-7. doi: 10.1016/j.midw.2015.04.007. Epub 2015 Apr 20.Midwifery. 2015.PMID: 25957760
Lewis L, Hauck YL, Crichton C, Pemberton A, Spence M, Kelly G.Lewis L, et al.Women Birth. 2016 Dec;29(6):494-502. doi: 10.1016/j.wombi.2016.04.009. Epub 2016 May 16.Women Birth. 2016.PMID: 27199172