The Difference of Cervical Length between Preterm and Term Delivery in Normal Second Trimester Cervical Length Screening

Not Applicable

Completed

• Conditions: cervical lengthpreterm deliverynormal cervical length; cervical length measurement; ultrasonography; midtrimester pregnancy; preterm birth

• Registration Number: TCTR20200618001
• Lead Sponsor: /A

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Completion: 2020-02-29
• Study Start: 2020-06-18
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Female
• Target Recruitment: 1429

Inclusion Criteria

singleton pregnant women whose delivery at GA more than 24 weeks until term and cervical length which was not less than 25 mm, measured by transvaginal ultrasound (TVS)

Exclusion Criteria

pregnant women who had fetal anomalies, uterine anomalies, intrauterine fetal death, indicated preterm birth, history of previous preterm birth, or who had received a preterm prevention protocol. The subjects who lost to follow up before delivery or had an incomplete medical record

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
cervical length at 16-24 weeks of gestational age pregnancy millimeter

Secondary Outcome Measures

Name	Time	Method
/A N/A N/A