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.
Kim JE, Shim SH, Dong M, Lee H, Hwang HS, Kwon HS, Lee SJ, Lee JY, Sohn IS, Kim SN, Kang SB.Kim JE, et al. Among authors: sohn is.Obstet Gynecol Sci. 2017 Sep;60(5):455-461. doi: 10.5468/ogs.2017.60.5.455. Epub 2017 Sep 18.Obstet Gynecol Sci. 2017.PMID: 28989922Free PMC article.
Seo KJ, Kim J, Sohn IS, Kwon HS, Park SW, Hwang HS.Seo KJ, et al. Among authors: sohn is.Obstet Gynecol Sci. 2013 Sep;56(5):333-7. doi: 10.5468/ogs.2013.56.5.333. Epub 2013 Sep 14.Obstet Gynecol Sci. 2013.PMID: 24328024Free PMC article.
Kim HS, Cho SH, Kwon HS, Sohn IS, Hwang HS.Kim HS, et al. Among authors: sohn is.Obstet Gynecol Sci. 2014 Sep;57(5):358-66. doi: 10.5468/ogs.2014.57.5.358. Epub 2014 Sep 17.Obstet Gynecol Sci. 2014.PMID: 25264525Free PMC article.
Jin Y, Dong M, Yang SW, Lee KM, Han SW, Seo SH, Lee A, Sohn IS, Kwon HS, Cho GJ, Hwang HS.Jin Y, et al. Among authors: sohn is.Obstet Gynecol Sci. 2020 Jul;63(4):448-454. doi: 10.5468/ogs.20004. Epub 2020 Jul 1.Obstet Gynecol Sci. 2020.PMID: 32689772Free PMC article.
Hwang HS, Kwon HS, Sohn IS, Park YW, Kim YH.Hwang HS, et al. Among authors: sohn is.Eur J Obstet Gynecol Reprod Biol. 2012 Feb;160(2):137-41. doi: 10.1016/j.ejogrb.2011.10.007. Epub 2011 Nov 8.Eur J Obstet Gynecol Reprod Biol. 2012.PMID: 22071114
Hwang HS, Sohn IS, Kwon HS.Hwang HS, et al. Among authors: sohn is.J Ultrasound Med. 2013 Jun;32(6):937-46. doi: 10.7863/ultra.32.6.937.J Ultrasound Med. 2013.PMID: 23716514
Yang SW, Cho SH, Kwon HS, Sohn IS, Hwang HS.Yang SW, et al. Among authors: sohn is.Eur J Obstet Gynecol Reprod Biol. 2014 Apr;175:107-11. doi: 10.1016/j.ejogrb.2013.12.036. Epub 2014 Jan 3.Eur J Obstet Gynecol Reprod Biol. 2014.PMID: 24502873Clinical Trial.
Yang SW, Jin Y, Jang EB, Kim HS, Sohn IS, Kwon HS, Hwang HS.Yang SW, et al. Among authors: sohn is.Obstet Gynecol Sci. 2020 Sep;63(5):586-593. doi: 10.5468/ogs.20061. Epub 2020 Jul 21.Obstet Gynecol Sci. 2020.PMID: 32689762Free PMC article.
Hwang HS, Park SH, Park YW, Kwon HS, Sohn IS.Hwang HS, et al. Among authors: sohn is.Acta Obstet Gynecol Scand. 2010 Sep;89(9):1155-61. doi: 10.3109/00016349.2010.498497.Acta Obstet Gynecol Scand. 2010.PMID: 20804341Free article.