Status:

COMPLETED

Cervical Volume by Three-Dimensional Ultrasound as a Predictor of Preterm Delivery

Lead Sponsor:

Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

Conditions:

Pregnancy

Preterm Birth

Eligibility:

FEMALE

15+ years

Brief Summary

Preterm labor is a leading cause of perinatal morbidity and mortality. Several investigators have reported that ultrasound evaluation of the cervix can predict the risk of preterm delivery. Three-dime...

Detailed Description

Preterm labor is a leading cause of perinatal morbidity and mortality. Several investigators have reported that ultrasound evaluation of the cervix can predict the risk of preterm delivery. Three-dime...

Eligibility Criteria

Inclusion

  • INCLUSION CRITERIA - PRETERM LABOR AND INTACT MEMBRANES:
  • Singleton gestation;
  • Estimated gestational age between 20 and 35 weeks gestation;
  • 3 Intact membranes;
  • 4\. Signed informed consent for voluntary participation and serial endovaginal scans.
  • EXCLUSION CRITERIA - PRETERM LABOR AND INTACT MEMBRANES:
  • Absent fetal cardiac activity;
  • Desire not to have vaginal ultrasound scans.
  • INCLUSION CRITERIA - PATIENTS AT RISK FOR PRETERM DELIVERY:
  • Estimated gestational age between 16 and \< 24 weeks gestation;
  • Planned cerclage placement due to increased preterm labor risk (i.e., short cervix or dilated cervix);
  • Intact membranes;
  • Signed informed consent for voluntary participation and serial endovaginal scans.
  • EXCLUSION CRITERIA - PATIENTS AT RISK FOR PRETERM DELIVERY:
  • Absent fetal cardiac activity;
  • Desire not to have vaginal ultrasound scans.
  • INCLUSION CRITERIA - PATIENTS IN SPONTANEOUS LABOR AT TERM:
  • Term gestation (greater than 37 weeks);
  • Intact membranes;
  • Cervical dilatation less than 2 cm;
  • Signed informed consent for voluntary participation and serial endovaginal scans.
  • EXCLUSION CRITERIA - PATIENTS IN SPONTANEOUS LABOR AT TERM:
  • Absent fetal cardiac activity;
  • Desire not to have vaginal ultrasound scans.
  • INCLUSION CRITERIA - PATIENTS UNDERGOING ELECTIVE INDUCTION OF LABOR:
  • Term gestation (greater than 37 weeks);
  • Intact membranes;
  • Signed informed consent for voluntary participation and serial endovaginal scans.
  • EXCLUSION CRITERIA - PATIENTS UNDERGOING ELECTIVE INDUCTION OF LABOR:
  • Absent fetal cardiac activity;
  • Desire not to have vaginal ultrasound scans.

Exclusion

    Key Trial Info

    Start Date :

    March 11 1998

    Trial Type :

    OBSERVATIONAL

    Allocation :

    ACTUAL

    End Date :

    May 1 2008

    Estimated Enrollment :

    648 Patients enrolled

    Trial Details

    Trial ID

    NCT00342550

    Start Date

    March 11 1998

    End Date

    May 1 2008

    Last Update

    February 24 2023

    Active Locations (1)

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    Page 1 of 1 (1 locations)

    1

    Hutzel Women's Hospital

    Detroit, Michigan, United States, 48201