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.
De Vries R, Nieuwenhuijze M, Buitendijk SE; members of Midwifery Science Work Group.De Vries R, et al. Among authors: nieuwenhuijze m.Midwifery. 2013 Oct;29(10):1122-8. doi: 10.1016/j.midw.2013.07.007. Epub 2013 Aug 2.Midwifery. 2013.PMID: 23916404
Henrichs J, Verfaille V, Viester L, Westerneng M, Molewijk B, Franx A, van der Horst H, Bosmans JE, de Jonge A, Jellema P; IRIS Study Group.Henrichs J, et al.BMC Pregnancy Childbirth. 2016 Oct 13;16(1):310. doi: 10.1186/s12884-016-1104-8.BMC Pregnancy Childbirth. 2016.PMID: 27737654Free PMC article.Clinical Trial.
Verfaille V, de Jonge A, Mokkink L, Westerneng M, van der Horst H, Jellema P, Franx A; IRIS study group.Verfaille V, et al.BMC Pregnancy Childbirth. 2017 Oct 16;17(1):353. doi: 10.1186/s12884-017-1513-3.BMC Pregnancy Childbirth. 2017.PMID: 29037170Free PMC article.