Prevalence of Chlamydia Trachomatis in pregnant women with preterm labour and preterm premature rupture of membranes from 280-366 weeks

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20221118005

Enrollment

330

Registered

2022-11-18

Start date

2023-04-01

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

Prevalence of Chlamydia Trachomatis infection in pregnant women with preterm labour and premature rupture of membranes Chlamydia Trachomatis , preterm labour, premature rupture of membranes, prevalence

Interventions

Pregnant women with with persistent contractions of the uterus with changes in opening and/or thinning of the cervix or when there is constant contraction of the uterus with cervical dilatation of at

Screening,Screening

Pregnant women with preterm labour,Pregnant women with preterm premature rupture of membranes

Eligibility

Sex/Gender

Female

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: 1. Pregnant women who gave birth between 280-366 weeks of gestation, gestational age was calculated from menstrual history and first trimester ultrasound. 2. Women with singleton and twin pregnancies 3. Pregnant women with preterm labor (with persistent contractions of the uterus with changes in opening and/or thinning of the cervix or when there is constant contraction of the uterus with cervical dilatation of at least 2 cm.) 4. Pregnant women who sign their consent to participate in the study 5. Women with Thai nationality

Exclusion criteria

Exclusion criteria: Pregnant women under 18 years old

Design outcomes

Primary

Measure	Time frame
Prevalence of Chlamydia Trachomatis in pregnant women with preterm labour and premature rupture of membranes at 12 months after end of intervention Positive test of Chlamydia Trachomatis	—

Secondary

Measure	Time frame
Prevalence of Chlamydia Trachomatis in pregnant women with preterm labour and premature rupture of membranes at gestational age of 280-316, 32-336 and 34-366 weeks of gestation at 12 months after end of intervention Positive test of Chlamydia Trachomatis,Possible maternal risk factors and neonatal adverse outcomes related with positive Chlamydia Trachomatis infection at 12 months after end of intervention Maternal risk factors and neonatal adverse outcomesbefore and during pregnancy	—

Measure

Time frame

Prevalence of Chlamydia Trachomatis in pregnant women with preterm labour and premature rupture of membranes at gestational age of 280-316, 32-336 and 34-366 weeks of gestation at 12 months after end of intervention Positive test of Chlamydia Trachomatis,Possible maternal risk factors and neonatal adverse outcomes related with positive Chlamydia Trachomatis infection at 12 months after end of intervention Maternal risk factors and neonatal adverse outcomesbefore and during pregnancy

—

Countries

Thailand

Contacts

Public ContactSaifon Chawanpaiboon

Faculty of Medicine, Siriraj Hospital

saifon.cha@mahidol.ac.th2894436106

Outcome results

None listed

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