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.
Niinimäki M, Suhonen S, Mentula M, Hemminki E, Heikinheimo O, Gissler M.Niinimäki M, et al. Among authors: mentula m.BMJ. 2011 Apr 19;342:d2111. doi: 10.1136/bmj.d2111.BMJ. 2011.PMID: 21508042Free PMC article.
Mentula M, Heikinheimo O.Mentula M, et al.Contraception. 2012 Aug;86(2):141-6. doi: 10.1016/j.contraception.2011.11.070. Epub 2012 Jan 10.Contraception. 2012.PMID: 22240172Clinical Trial.
Männistö J, Mentula M, Bloigu A, Hemminki E, Gissler M, Heikinheimo O, Niinimäki M.Männistö J, et al. Among authors: mentula m.BJOG. 2013 Feb;120(3):331-7. doi: 10.1111/1471-0528.12034. Epub 2012 Nov 6.BJOG. 2013.PMID: 23126244
Männistö J, Mentula M, Bloigu A, Gissler M, Niinimäki M, Heikinheimo O.Männistö J, et al. Among authors: mentula m.Contraception. 2014 Feb;89(2):109-15. doi: 10.1016/j.contraception.2013.10.015. Epub 2013 Nov 6.Contraception. 2014.PMID: 24332746