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PAMG-1 test paper predicts preterm birth

Predicting preterm delivery in twin pregnancies by measurementof cervical length and PAMG-1 test

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500098289
Enrollment
Unknown
Registered
2025-03-05
Start date
2025-03-05
Completion date
Unknown
Last updated
2025-03-10

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

Conditions

Preterm

Interventions

Observation group:None

Sponsors

Women’s Hospital, Zhejiang University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1) Capable adult female (>=18 years old); 2) Sign informed consent; 3) Twin pregnancies from 20+0 weeks to 33+6 weeks; 4) Clinical manifestations of threatened prematurity: 4 or more contractions an hour Lower abdominal pain or abdominal tightness, lumbar acid and other symptoms Vaginal examination revealed dilation of the uterine orifice or regression of the cervical canal Ultrasound examination of cervical canal length less than 25mm (before 24 weeks); 5) The fetal membrane is intact.

Exclusion criteria

Exclusion criteria: 1) History of cervical conectomy or circumferential surgery; 2) Uterine malformations; 3) Rupture of membranes; 4) Chorioamniotic inflammation; 5) After cervical cervicectomy; 6) Obstetric complications that may lead to premature birth; 7) Placenta previa; 8) Vaginal examination uterine dilation greater than 3cm.

Design outcomes

Primary

MeasureTime frame
Delivery in 7 days;

Countries

China

Contacts

Public ContactWen Hong

Women’s Hospital, Zhejiang University School of Medicine

5199002@zju.edu.cn+86 571 89991836

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026