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.
Cesta CE, Viktorin A, Olsson H, Johansson V, Sjölander A, Bergh C, Skalkidou A, Nygren KG, Cnattingius S, Iliadou AN.Cesta CE, et al. Among authors: nygren kg.Fertil Steril. 2016 Jun;105(6):1594-1602.e3. doi: 10.1016/j.fertnstert.2016.01.036. Epub 2016 Feb 23.Fertil Steril. 2016.PMID: 26920258Free article.
Källén B, Finnström O, Lindam A, Nilsson E, Nygren KG, Otterblad PO.Källén B, et al. Among authors: nygren kg.Birth Defects Res A Clin Mol Teratol. 2010 Mar;88(3):137-43. doi: 10.1002/bdra.20645.Birth Defects Res A Clin Mol Teratol. 2010.PMID: 20063307
Källén B, Finnström O, Nygren KG, Olausson PO.Källén B, et al. Among authors: nygren kg.Birth Defects Res A Clin Mol Teratol. 2005 Mar;73(3):162-9. doi: 10.1002/bdra.20107.Birth Defects Res A Clin Mol Teratol. 2005.PMID: 15678490