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.
Wang C, Wei Y, Zhang X, Zhang Y, Xu Q, Sun Y, Su S, Zhang L, Liu C, Feng Y, Shou C, Guelfi KJ, Newnham JP, Yang H.Wang C, et al. Among authors: yang h.Am J Obstet Gynecol. 2017 Apr;216(4):340-351. doi: 10.1016/j.ajog.2017.01.037. Epub 2017 Feb 1.Am J Obstet Gynecol. 2017.PMID: 28161306Clinical Trial.
Li K, Wang Y, Li H, Yang H.Li K, et al. Among authors: yang h.Int J Gynaecol Obstet. 2011 Jan;112(1):45-7. doi: 10.1016/j.ijgo.2010.07.026. Epub 2010 Sep 25.Int J Gynaecol Obstet. 2011.PMID: 20870229
Zhang L, Yang H.Zhang L, et al. Among authors: yang h.Hypertens Pregnancy. 2012;31(2):218-27. doi: 10.3109/10641955.2011.642434.Hypertens Pregnancy. 2012.PMID: 22582869
Yan J, Yang H.Yan J, et al. Among authors: yang h.J Matern Fetal Neonatal Med. 2014 Aug;27(12):1266-9. doi: 10.3109/14767058.2013.853733. Epub 2013 Oct 30.J Matern Fetal Neonatal Med. 2014.PMID: 24125565Review.
Ma J, Hong P, Fu J, Yu L, Yang H.Ma J, et al. Among authors: yang h.Int J Gynaecol Obstet. 2014 Jun;125(3):232-6. doi: 10.1016/j.ijgo.2013.12.004. Epub 2014 Feb 13.Int J Gynaecol Obstet. 2014.PMID: 24629785
Wei Y, Yang H, Zhu W, Yang H, Li H, Yan J, Zhang C.Wei Y, et al. Among authors: yang h.Chin Med J (Engl). 2014;127(20):3553-6.Chin Med J (Engl). 2014.PMID: 25316228
Song Y, Yang H.Song Y, et al. Among authors: yang h.Zhonghua Fu Chan Ke Za Zhi. 2014 Aug;49(8):579-83.Zhonghua Fu Chan Ke Za Zhi. 2014.PMID: 25354857Chinese.