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.
Felix AS, Weissfeld JL, Pfeiffer RM, Modugno F, Black A, Hill LM, Martin J, Sit AS, Sherman ME, Brinton LA.Felix AS, et al. Among authors: sit as.Int J Cancer. 2014 Feb 15;134(4):954-60. doi: 10.1002/ijc.28404. Epub 2013 Aug 28.Int J Cancer. 2014.PMID: 23907658Free PMC article.Clinical Trial.
Yeaton-Massey A, Wong L, Sparks TN, Handler SJ, Meyer MR, Granados JM, Stasenko M, Sit A, Caughey AB.Yeaton-Massey A, et al.J Matern Fetal Neonatal Med. 2015 Feb;28(3):320-3. doi: 10.3109/14767058.2014.916675. Epub 2014 May 22.J Matern Fetal Neonatal Med. 2015.PMID: 24749802Free article.
Manber R, Bei B, Simpson N, Asarnow L, Rangel E, Sit A, Lyell D.Manber R, et al.Obstet Gynecol. 2019 May;133(5):911-919. doi: 10.1097/AOG.0000000000003216.Obstet Gynecol. 2019.PMID: 30969203Free PMC article.Clinical Trial.