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Management of Threatened Preterm Labor by Cervical Length-based Approach or Conventional Approach

Not Applicable
Withdrawn
Conditions
Preterm Delivery Within 7 Day After Admission
Interventions
Procedure: Transvaginal ultrasound
Registration Number
NCT04301388
Lead Sponsor
Chiang Mai University
Brief Summary

To compare the effectiveness of treatment of threatened preterm labor between transvaginal cervical length-based approach and conventional approach (Per vaginal examination)

Detailed Description

Not available

Recruitment & Eligibility

Status
WITHDRAWN
Sex
Female
Target Recruitment
Not specified
Inclusion Criteria
  • Pregnant with symptoms of threatened preterm labor which refer to regular uterine contractions at least 1 time in every 10 minutes and persist for 30 minute without cervical dilatation or cervical dilation ≤ 1 cm and < 80% of effacement.
  • Age ≥ 18 years
  • Singleton pregnancy
  • 24 0/7 - 33 6/7 weeks of gestation
  • Uneventful antenatal care or low-risk pregnancies
Exclusion Criteria
  • The definitive diagnosis of true labor
  • Proceed to the active phase of labor
  • Age < 18 years
  • Multiple pregnancies
  • < 24 or ≥ 34 weeks of gestation
  • Fetal chromosomal or structural abnormalities
  • Abnormal fetal growth
  • Abnormal amniotic fluid
  • Evidence of placenta previa
  • Significant vaginal bleeding that cannot be ruled out placenta previa
  • Evidence of rupture of membranes
  • Evidence of intrauterine infection
  • Evidence of uterine malformation
  • Evidence of lethal fetal malformation
  • Unable to communicate or understand the information of the study

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
TVCL-basedTransvaginal ultrasoundMonitor progression of labor by shortening of cervix examined by transvaginal cervical length
Conventional-basedTransvaginal ultrasoundMonitor progression of labor by per vaginal exam to detect cervical change
Primary Outcome Measures
NameTimeMethod
Number of cases with delivery within 7 day after admissionFrom admission to no uterine contraction in 10 minute

In case of threatened preterm labor if detection the progression of labor by transvaginal cervical length, the rate of delivery within 7 days will less or more than conventional group.

Secondary Outcome Measures
NameTimeMethod
The number of tocolysis courses, length of hospital stayFrom admission to no uterine contraction in 10 minute

In case of tocolytic used for stop labor. The number of medication will be recorded.

The number of steroid coursesFrom admission to no uterine contraction in 10 minute

In case of stop labor, the course of steroid for promote lung maturity is recorded.

Trial Locations

Locations (2)

Maharaj Nakorn ChiangMai Hospital

🇹🇭

ChiangMai, Thailand

Kuntharee Traisrisilp

🇹🇭

Chiang Mai, Thailand

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