4Chen R J，Acta Obstet Gynecol Scand，1994年，73卷，9期，726页
5曹泽毅.中华妇产科学[M].北京：人民卫生出版社,1999.2129.
6乐杰.妇产科学[M](第6版)[M].北京:人民卫生出版社,2005,1..
7Crane JM. Pregnancy outcome after loop electrosurgical excision procedure: a systematic review [ J]. Obstet Gynecol, 2003, 102(5 Pt 1 ) : 1058-1062.
8Samson SL, Bentley JR, Fahey TJ, et al. The effect of loop electrosurgical excision procedure on future pregnancy outcome[ J ]. Gynecology, 2005,105 (2) : 325-332.
9Sadler L, Saftlas A, Wang W, et al. Treatment for cervical intraepithelial neoplasia and risk of preterm delivery [J]. JAMA,2004,291(17) : 2100-2106.
10Milheiras ET, Sarzedas S, Pereira HS, et al. Pregnancy and delivery outcomes in women with previous cervical conization [ J ].Acta Med Port, 2005,18(2) : 113-116.
