Second-trimester cervical length as risk indicator for Cesarean delivery in women with twin pregnancy

L. Van de Mheen*, E. Schuit, S. M. S. Liem, A. C. Lim, D. J. Bekedam, S.M.T.A. Goossens, M. T. M. Franssen, M. M. Porath, M. A. Oudijk, K. W. M. Bloemenkamp, J. J. Duvekot, M. D. Woiski, I. De Graaf, J. M. Sikkema, H. C. J. Scheepers, J. Van Eijk, C. J. M. De Groot, M. G. Van Pampus, B. W. J. Mol

*Corresponding author for this work

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Abstract

Objective To determine whether second-trimester cervical length (CL) in women with a twin pregnancy is associated with the risk of emergency Cesarean section. Methods This was a secondary analysis of two randomized trials conducted in 57 hospitals in The Netherlands. We assessed the univariable association between risk indicators, including second-trimester CL in quartiles, and emergency Cesarean delivery using a logistic regression model. For multivariable analysis, we assessed whether adjustment for other risk indicators altered the associations found in univariable (unadjusted) analysis. Separate analyses were performed for suspected fetal distress and failure to progress in labor as indications for Cesarean section. Results In total, 311 women with a twin pregnancy attempted vaginal delivery after 34weeks' gestation. Emergency Cesarean delivery was performed in 111 (36%) women, of which 67 (60%) were performed owing to arrest of labor. There was no relationship between second-trimester CL and Cesarean delivery (adjusted odds ratio (aOR): 0.97 for CL 26th-50th percentiles; 0.71 for CL 51st-75th percentiles; and 0.92 for CL> 75th percentile, using CL 28 kg/m(2)) and induction of labor (aOR, 1.92 (95% CI, 1.05-3.5)). Conclusion In nulliparous women with a twin pregnancy, second-trimester CL is not associated with risk of emergency Cesarean delivery. ISUOG. Published by John Wiley & Sons Ltd.
Original languageEnglish
Pages (from-to)579-584
JournalUltrasound in Obstetrics & Gynecology
Volume46
Issue number5
DOIs
Publication statusPublished - Nov 2015

Keywords

  • cervical-length measurement
  • Cesarean delivery
  • twin pregnancy

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