Development of an Ultrasonic Method to Detect Cervical Remodeling inVivo in Full-Term Pregnant Women

Barbara L. McFarlin, Jennifer Balash, Viksit Kumar, Timothy A. Bigelow, Xavier Pombar, Jacques S. Abramowicz, William D. O'Brien

Research output: Contribution to journalArticlepeer-review

Abstract

The objective of this study was to determine whether estimates of ultrasonic attenuation could detect changes in the cervix associated with medically induced cervical remodeling. Thirty-six full-term pregnant women underwent two transvaginal ultrasonic examinations separated in time by 12 h to determine cervical attenuation, cervical length and changes thereof. Ultrasonic attenuation and cervical length data were acquired from a zone (Zonare Medical Systems, Mountain View, CA, USA) ultrasound system using a 5-9 MHz endovaginal probe. Cervical attenuation and cervical length significantly decreased in the 12 h between the pre-cervical ripening time point and 12 h later. The mean cervical attenuation was 1.1 ± 0.4 dB/cm-MHz before cervical ripening agents were used and 0.8 ± 0.4 dB/cm-MHz 12 h later (. p < 0.0001). The mean cervical length also decreased from 3.1 ± 0.9 cm before the cervical ripening was administered to 2.0 ± 1.1 cm 12 h later (. p < 0.0001). Cervical attenuation and cervical length detected changes in cervical remodeling 12 h after cervical ripening administration.

Original languageEnglish (US)
Pages (from-to)2533-2539
Number of pages7
JournalUltrasound in Medicine and Biology
Volume41
Issue number9
DOIs
StatePublished - Sep 1 2015

Keywords

  • Cervical length
  • Cervical remodeling
  • Cervical ripening
  • Ultrasonic attenuation

ASJC Scopus subject areas

  • Biophysics
  • Radiological and Ultrasound Technology
  • Acoustics and Ultrasonics

Fingerprint Dive into the research topics of 'Development of an Ultrasonic Method to Detect Cervical Remodeling inVivo in Full-Term Pregnant Women'. Together they form a unique fingerprint.

Cite this