Cervical Length at Mid-Trimester in Thai Women with Normal Singleton Pregnancies

Authors

  • Prapat Wanitpongpan Department of Obstetrics & Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700

Abstract

Objective: To establish a normal value of cervical length at mid-trimester of Thai women with normal singleton pregnancies and to define the cutoff value of short cervix in Thai population.
Methods: An observational study was carried out including 1,027 women whose cervical length were measured by transvaginal ultrasonography during 20-24 weeks of gestation. Those who had risk factors of preterm labour or delivered before 37 weeks were excluded.
Results: Mean cervical length of nulliparous, multiparous women and overall population were 40 (29.4-49.2) mm, 42.1 (31.9-54) mm and 41 (30.6-52) mm respectively (p<0.001). Short cervix, defined as less than 5 percentile of normal value, in overall population was 30.6 mm.
Conclusion: The cervical length of pregnant Thai women is a little longer than previously reported and this new cutoff value should be studied to assess its accuracy in prediction of preterm labour in Thai population.

Keywords: Cervical length, short cervix, preterm labour, Thai pregnant women

Downloads

Published

24-02-2015

How to Cite

Wanitpongpan, P. (2015). Cervical Length at Mid-Trimester in Thai Women with Normal Singleton Pregnancies. Siriraj Medical Journal, 67(1). Retrieved from https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/55259

Issue

Vol. 67 No. 1 (2015): January-February

Section

Original Article

License

Users are free to share, copy, and redistribute all articles published in the Siriraj Medical Journal (SMJ) in any medium or format as long as you follow the following terms:

  • Attribution — You must give appropriate credit, provide a link to the material, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the publisher endorses you or your use.
  • NonCommercial — You may not use the material for commercial purposes.
  • NoDerivatives — If you remix, transform, or build upon the material, you may not distribute the modified material.
  • No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.