Uterocervical angle measurement for preterm birth prediction in pregnant women with cervical length more than 25 millimeters

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20170224002

Enrollment

450

Registered

2017-02-24

Start date

2017-02-22

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

preterm birth cervical length uterocervical angle preterm birth delivery cervical length uterocervical angle

Interventions

&#45

Including singleton pregnant women with age at or more than 18 years old with no prior preterm birth. &#45

Excluding women who have cervical mass and in whom delivery details cannot be obtained.

Screening

Singleton pregnant women with age at or more than 18 years old and gestational age 16&#45

24 weeks

Eligibility

Sex/Gender

Female

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Pregnant singleton women at gestational age 16 to 28 weeks

Exclusion criteria

Exclusion criteria: 1. age less than 18 years 2. history of prior preterm delivery 3 multifetal pregnancy 4. cervical mass 5. delivery status cannot be obtained

Design outcomes

Primary

Measure	Time frame
Correlation between second trimester uterocervical angle and preterm birth rate after each participant delivery angle in degrees, rate of preterm birth (qualitative) in "number" and percentage	—

Secondary

Measure	Time frame
Correlation between uterocervical angle and cervical length in second trimester second trimester of pregnancy angle in degrees	—

Countries

Thailand

Contacts

Public ContactRapphon Sawaddisan

15 Songklanagarind hospital Korhong Hadyai Songkla Thailand 90110

sai.sawaddisan@gmail.com0855566394

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026