Physical examination-indicated cerclage in twin pregnancy: a retrospective cohort study

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MATERNAL-FETAL MEDICINE

Physical examination‑indicated cerclage in twin pregnancy: a retrospective cohort study Mian Pan1 · Jun Zhang1   · Wenqiang Zhan3 · Xia Ouyang2 · Xiaoxiang Jiang1 · Danlin Yang1 Received: 27 March 2020 / Accepted: 28 August 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020

Abstract Purpose  This study aimed to evaluate the efficacy of physical examination–indicated cerclage in twin pregnancies and compare it with those that received conservative management. Methods  We used a retrospective cohort study design of asymptomatic twin pregnancies identified with physical examination indications at 14–26 weeks from 2015 through 2019 at Fujian Maternity and Child Health Hospital. The primary outcomes were gestational age (GA) at delivery and the incidence of spontaneous preterm birth (SPTB) at