Rate of cervical shortening to predict preterm birth

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20180710002

Enrollment

660

Registered

2018-07-10

Start date

2018-03-21

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

&#45

Interventions

Singleton pregnancy at 14&#45

22 week gestation and no these condition including Fetal anomalies Cerclage Placenta previa Fetal death Cervical dilate > 3 cm History of preterm birth with short cervix < 25 mm

Diagnostic

Singleton pregnancy

Eligibility

Sex/Gender

Female

Age

15 Years to 45 Years

Inclusion criteria

Inclusion criteria: Singleton pregnancy GA 14-18 wk

Exclusion criteria

Exclusion criteria: Fetal anomalies Cerclage Placenta previa Fetal death Cervical dilate > 3 cm History of preterm birth with short cervix < 25 mm

Design outcomes

Primary

Measure	Time frame
Spontaneous preterm birth before 37 week gestation, cut-off values of cervical shortening rate GA 14-17+6wk and GA 18-21+6wk Serial TVS 2 visits at ANC KCMH,	—

Secondary

Measure	Time frame
Spontaneous preterm birth before 34 week gestation, cut-off values of cervical shortening rate GA 14-17+6wk and GA 18-21+6wk Serial TVS 2 visits at ANC KCMH,	—

Countries

Thailand

Contacts

Public ContactPadungsak Chanworrawoot

King Chulalongkorn Memorial Hospital

padungsak_mdcu@hotmail.com0830353515

Outcome results

None listed

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