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A retrospective cohort study conducted across multiple centers investigating pregnancy loss in China

A retrospective cohort study conducted across multiple centers investigating pregnancy loss in China

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2400083219
Enrollment
Unknown
Registered
2024-04-18
Start date
2019-09-19
Completion date
Unknown
Last updated
2024-04-22

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

Conditions

pregnancy loss

Interventions

pregnancy loss group:N/A
Control group:N/A

Sponsors

The second hospital of Lanzhou University
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria for pregnancy loss group: (1) Women who have lost at least one pregnancy; (2) Age 18-45 years old (3) Agree to participate in the project and sign the completed informed consent form Inclusion criteria for the control group: (1) Healthy women who have had at least one live birth; (2) Age 18-45 years old

Exclusion criteria

Exclusion criteria: Exclusion criteria for pregnancy loss group: (1) Have a history of taking anticoagulants, immunomodulators, and steroid drugs within the past 3 months; (2) Patients refuse participants Exclusion criteria for the control group: (1) Have a history of taking anticoagulants, immunomodulators, and steroid drugs within the past 3 months; (2) Patients refuse participants

Design outcomes

Primary

MeasureTime frame
24 weeks live birth rate;

Secondary

MeasureTime frame
early pregnancy loss rate;clinically confirmed pregnancy rate;ongoing pregnancy rate(to 10 weeks);ongoing pregnancy rate(to 12 weeks);28 weeks live birth rate;ectopic pregnancy rate;stillbirth rate;incidence rate of pregnancy complications;neonatal weigh;neonatal Apgar score;neonatal birth defect rate;

Countries

China

Contacts

Public ContactFang Wang

The second hospital of Lanzhou University

ery_fwang@lzu.edu.cn+86 139 1930 2888

Outcome results

None listed

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