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Erschienen in:
20.11.2020 | Gynecologic Endocrinology and Reproductive Medicine
The association between operative hysteroscopy prior to assisted reproductive technology and cervical insufficiency in second trimester
Erschienen in: Archives of Gynecology and Obstetrics | Ausgabe 5/2021
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Purpose
To assess the association between operative hysteroscopy prior to assisted reproductive technology (ART) cycle and cervical insufficiency (CI) in the second trimester of pregnancy.
Methods
A retrospective cohort study was conducted. The charts of all women who got pregnant following an ART cycle between January 2015 and June 2018 were reviewed. The study group consisted of pregnant women who underwent operative hysteroscopy within 6 months before conception. The control group consisted of pregnant women who did not undergo hysteroscopy or any type of cervical surgical procedure before conception. The primary outcome measure was CI during the second trimester (13–27 weeks of gestation).
Results
A total of 363 pregnancies achieved by ART cycles were assessed. After the exclusion of multiple pregnancies (n = 19), previous surgical procedures (n = 4) and first-trimester pregnancy losses (n = 80), there were 29 women in the study group and 231 women in the control group. The mean ages of the study and control groups were 31.2 ± 4.06 and 29.82 ± 4.71 years, respectively (P = 0.13). The indications for operative hysteroscopy were uterine septum (n = 19), T-shaped uterus (n = 4), endometrial polyp (n = 4), and submucosal fibroids (n = 2). The rates of CI in the study and control groups were 13.7% (4/29) and 3.4% (8/231), respectively (P = 0.012). The term delivery rates in the study and control groups were 79.3 and 91.8%, respectively (P = 0.044).
Conclusions
Operative hysteroscopy prior to ART cycles is significantly associated with CI between 13 and 27 weeks of gestation. Further investigation with larger cohorts is urgently needed to clarify this issue.