5Chifan M,Tirnovanu M,Grigore M,et al.Cervical incompetence associated with congenital uterine malformations[J].Rev Med Chir Soc Med Nat Iasi,2012,116(4):1063-1068. 被引量：1
6Sundtoft IB,Langhoff-Ross J.Cervical insufficiency and cervical collagen concentration in non-pregnant women[J].Int J Gynecol Obstet,2012,3:S261-S530. 被引量：1
7Haney AF.Prenatal DES exposure:the continuing effects[J].OBG Management,2002,13:33-44. 被引量：1
8Rechberger T,Uldbjerg N,Oxlund H.Connective tissue changesin the cervix during normal pregnancy and pregnancy complicated by cervical incompetence[J].Obstet Gynecol,1988,71(4):563-567. 被引量：1
9Vyas NA,Vink JS,Ghidini A,et al.Risk factors for cervical insufficiency afer term delivery[J].Am J Obstet Gynecol,2006,195:787-791. 被引量：1
10Ulander VM,Wartiovaara U,Hiltunen L,et al.Thrombophilia:a new potential risk factor for cervical insufficiency[J].Thromb Res,2006,118(6):705-708. 被引量：1
5ACOG Practice Bulletin Cervical insufficiency[J].Obstel Gynecol,2003,102:1091-1099. 被引量：1
6Rand L,Norwitz ER.Current controversies in cervical cerclage[J].Seminars in perinatology,2003,279(1):73-85. 被引量：1
7Ozdemir a,Fuat D,Oguz Y,Unal E,Uhrasonographic cervical length measurement at 10-14 and 20-24 weeks gestation and the risk of preterm delivery[J].Eur J Obstet Gynecol Reprod Biol,2007,130(2):176-179. 被引量：1
8Iams JD,Goldenberg RL,Meis PJ,et al.The length of the cervix and the risk of spontaneous premature delivery[J].N Engl J Med,1996,334:567-572. 被引量：1
9Simcox R,Seed PT,Bennett P,et al.A randomized controlled trial of cervical scanning vs history to determine cerelage in women at high risk of preterm birth(CIRCLE trial)[J].Am J Obstet Gynecol,2009,200:623-623. 被引量：1
10Conoscenti G,Meir YJ,D,Ottavio G et al.Does cervical length at 13-15 weeks'gestation predict pretem delivery in an unselected population[J].Ultrasound Obstet Gynecol,2003,21:128-134. 被引量：1
