Preconceptional transvaginal cervicoisthmic cerclage versus transvaginal cervicoisthmic cerclage in pregnancy for the prevention of preterm delivery in women with cervical insufficiency: a randomized controlled study

Health Bureau of Zhejiang Province0 个研究点目标入组 200 人开始时间: 2015年1月14日最近更新: 2019年3月25日

适应症

试验速览

暂无简介。

•Current inclusion criteria as of 04/03/2019:
•1. A history of at least 1 previous late inevitable abortion or spontaneous preterm delivery
•2. Previous conization of the cervix or cervical laceration by assisted vaginal delivery, and the residual cervix is less than 25mm
•3. All patients should be >=18 years and younger than 35 years old
•4. All patients are able to conceive
•Previous inclusion criteria:
•1. A history of at least 2 previous late inevitable abortion or spontaneous preterm delivery
•2. Previous conization of the cervix or cervical laceration by assisted vaginal delivery, and the residual cervix is less than 25mm
•3. All patients should be >=18 years and younger than 35 years old
•4. All patients are able to conceive

•1. Older than 35 years old
•2. Patients with a successful or failed cerclage applied in a previous pregnancy
•3. Patients with congenital uterine dysplasia: Mediastinum uterus, bicornuate uterus, rudimentary horn of uterus, et al.
•4. Patients with protein C, protein S, or antithrombin III de?ciency
•5. Patients who are pregnant

发起方

Health Bureau of Zhejiang Province