参考文献

[1]谢幸,孔北华,段涛.妇产科学.9版.北京:人民卫生出版社,2018.

[2]谢幸,苟文丽.妇产科学.9版.北京:人民卫生出版社,2013,139-141.

[3]Hehir MP,Hartigan L,Mahony R.Perinatal death associated with umbilical cord prolapse.J Perinat Med,2016,45（5）:565-570.

[4]Hasegawa J,Sekizawa A,Ikeda T,et al.Clinical risk factors for poor neonatal outcomes in umbilical cord prolapse.J Matern Fetal Neonatal Med,2016,29（10）:1652-1656.

[5]Kaymak O,Iskender C,Ibanoglu M,et al.Retrospective evaluation of risk factors and perinatal outcome of umbilical cord prolapse during labor.Eur Rev Med Pharmacol Sci,2015,19（13）:2336-2339.

（邓青春 王 丹）