Factors Associated with Spontaneous Preterm Birth after Ultrasound-Indicated Cerclage

Author:

Lee Kyong-No1,Yun Sangho2,Park So-Yoon3,Kim Kyoungseon3,Lee Keun-Young3,Lee Jae Jun24,Son Ga-Hyun23ORCID

Affiliation:

1. Department of Obstetrics and Gynecology, Chungnam National University Hospital, Daejeon 35015, Republic of Korea

2. Institute of New Frontier Research Team, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea

3. Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Hallym University College of Medicine, Kangnam Sacred Heart Hospital, Seoul 07441, Republic of Korea

4. Departments of Anesthesiology and Pain Medicine, Hallym University College of Medicine, Chuncheon 24252, Republic of Korea

Abstract

Ultrasound-indicated cerclage (UIC) is recommended to prevent spontaneous preterm birth (sPTB) in women with a short cervix at mid-trimester and a history of PTB. We assessed the factors related to sPTB after UIC and determined the corresponding risks. This retrospective cohort study was conducted at a university hospital. UIC was performed between 15 and 26 weeks of gestation in women with a cervical length of <2.5 cm. Univariate and multivariate analyses were used to examine factors associated with sPTB after UIC. An earlier gestational age and shorter cervical length at UIC were associated with sPTB after UIC. While PTB history was not associated with an increased risk of sPTB, it did increase the risk of repeat cerclage after UIC. Higher levels of preoperative serum inflammatory markers and obesity significantly increased the risk of sPTB after UIC. These findings provide helpful guidance for patient counseling and management in predicting the delivery timing after UIC in women with a short cervix in the mid-trimester.

Funder

Korea Health Technology R&D Project through the Korea Health Industry Development Institute (KHIDI); by the Ministry of Health & Welfare, Republic of Korea

Hallym University Research Fund, by the Korea Medical Device Development Fund grant funded by the Korean government

National Research Foundation of Korea(NRF) grant funded by the Korea governmen

Publisher

MDPI AG

Subject

Medicine (miscellaneous)

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