Does the rate of cervical shortening after cerclage predict preterm birth?*

@article{Drassinower2016DoesTR,
  title={Does the rate of cervical shortening after cerclage predict preterm birth?*},
  author={Daphnie Drassinower and Joy S Vink and Noelia M. Zork and Cara Pessel and Kavita Vani and Sara G. Brubaker and Cande V. Ananth},
  journal={The Journal of Maternal-Fetal \& Neonatal Medicine},
  year={2016},
  volume={29},
  pages={2233 - 2239}
}
Abstract Objective: The objective of this study is to evaluate whether the rate of cervical shortening after cerclage can predict spontaneous preterm birth (SPTB). Methods: Women who had cervical length (CL) assessments after cerclage placement were identified. The rate of cervical shortening and its relationship with SPTB was established using a generalized linear regression model. Secondary outcomes included relationship between cervical shortening and risk of SPTB in those with a post… Expand
Prediction of preterm birth and adverse perinatal outcomes after cervical pessary placement in singleton pregnancies with short cervical length
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  • Medicine
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Among women with a sonographically short cervix, the rate of change in CL is associated with SPTB, independent of fetal fibronectin test and other important risk factors for SPTB. Expand
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The increase in cervical length after cerclage is not predictive of term delivery, but serial cervical length measurements in the late second or early third trimester predict preterm birth but could provide earlier warning in patients with a prophylactic cerclages than in patients in the urgent group. Expand
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In this trial, placing a cervical suture in women with a short cervix did not lower the risk of early preterm delivery in a substantial proportion of cases, but routinely measuring cervical length at 22 to 24 weeks gestation by transvaginal sonography does identify women who are at high risk of first-time delivery. Expand
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These reports support changes in understanding “threatened preterm labor” less as a distinct event than as a process that can occur over weeks or months at variable rates of cervical change. Expand
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