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Midpregnancy Cervical Length in Nulliparous Women and its Association with Postterm Delivery and Intrapartum Cesarean Delivery

van der Ven, A. J.; van Os, M.A.; Kleinrouweler, C.E.; Verhoeven, C.J.M.; de Miranda, E.; Bossuyt, P.M.; de Groot, C.J.M.; Haak, M.C.; Pajkrt, E.; Mol, B.W.J.; Kazemier, B.M.

Authors

A. J. van der Ven

M.A. van Os

C.E. Kleinrouweler

E. de Miranda

P.M. Bossuyt

C.J.M. de Groot

M.C. Haak

E. Pajkrt

B.W.J. Mol

B.M. Kazemier



Contributors

A.J. Van Der Ven
Other

M.A. Van Os
Other

C.E. Kleinrouweler
Other

C.J.M. Verhoeven
Other

E. De Miranda
Other

P.M. Bossuyt
Other

C.J.M. De Groot
Other

M.C. Haak
Other

E. Pajkrt
Other

B.W.J. Mol
Other

B.M. Kazemier
Other

Abstract

Objective To evaluate the association between midpregnancy cervical length and postterm delivery and cesarean delivery during labor.

Study Design In a multicenter cohort study, cervical length was measured in low-risk singleton pregnancies between 16 and 22 weeks of gestation. From this cohort, we identified nulliparous women who delivered beyond 34 weeks and calculated cervical length quartiles. We performed logistic regression to compare the risk of postterm delivery and intrapartum cesarean delivery to cervical length quartiles, using the lowest quartile as a reference. We adjusted for induction of labor, maternal age, ethnicity, cephalic position, preexisting hypertension, and gestational age at delivery.

Results We studied 5,321 nulliparous women. Women with cervical length in the 3rd and 4th quartile were more likely to deliver at 42+0 to 42+6 weeks (adjusted odds ratio [aOR] 2.02, 95% confidence interval [CI] 1.07–3.79 and aOR 1.97, 95% CI 1.06–3.67, respectively). The frequency of intrapartum cesarean delivery increased with cervical length quartile from 9.4% in the 1st to 14.9% in the 4th quartile (p = 0.01). This increase was only present in intrapartum cesarean delivery because of failure to progress and not because of fetal distress.

Conclusion The longer the cervix at midtrimester the higher the risk of both postterm delivery and intrapartum cesarean delivery.

Citation

van der Ven, A. J., van Os, M., Kleinrouweler, C., Verhoeven, C., de Miranda, E., Bossuyt, P., de Groot, C., Haak, M., Pajkrt, E., Mol, B., & Kazemier, B. (2016). Midpregnancy Cervical Length in Nulliparous Women and its Association with Postterm Delivery and Intrapartum Cesarean Delivery. American Journal of Perinatology, 33(01), 040-046. https://doi.org/10.1055/s-0035-1556067

Journal Article Type Article
Online Publication Date Jun 26, 2015
Publication Date 2016
Deposit Date Aug 6, 2023
Journal American Journal of Perinatology
Print ISSN 0735-1631
Electronic ISSN 1098-8785
Publisher Thieme Publishing
Peer Reviewed Peer Reviewed
Volume 33
Issue 01
Pages 040-046
DOI https://doi.org/10.1055/s-0035-1556067
Public URL https://nottingham-repository.worktribe.com/output/23513633
Publisher URL https://www.thieme-connect.de/products/ejournals/abstract/10.1055/s-0035-1556067


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