Effects of Prior Induced Termination of Pregnancy on Complications and Pregnancy Outcomes.

September 5, 2025 updated by: National Research Institute for Family Planning, China
A prospective multicenter cohort study to evaluate effects of prior induced termination of pregnancy on complications and pregnancy outcomes.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

A prospective multicenter cohort study to evaluate effects of prior induced termination of pregnancy on complications and pregnancy outcomes.

Study Type

Observational

Enrollment (Estimated)

20000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

  • China
      • Chongqing, China
        • Recruiting
        • Chongqing Health Center for Women and Children
      • Shenzhen, China
        • Recruiting
        • Shenzhen Luohu Maternity and Child Healthcare Hospital
    • Guangdong
      • Zhongshan, Guangdong, China
        • Recruiting
        • Zhongshan Boai Hospital
    • Hebei
      • Zhangjiakou, Hebei, China
        • Recruiting
        • Zhangjiakou Maternal and Child Health Hospital
        • Contact:
          • Tu Pengcheng, M.D.
    • Heilongjiang
      • Daqing, Heilongjiang, China, 150000-160000
        • Recruiting
        • Daqing People's Hospital
        • Contact:
          • Tu Pengcheng, M.D.
    • Jiangsu
      • Changzhou, Jiangsu, China
        • Recruiting
        • Changzhou Maternal and Child Health Hospital
      • Yangzhou, Jiangsu, China
        • Recruiting
        • Yangzhou Maternal and Child Health Hospital
    • Mongolia Autonomous
      • Hohhot, Mongolia Autonomous, China
        • Recruiting
        • People's Hospital of Inner Mongolia Autonomous Region
        • Contact:
          • Tu Pengcheng, M.D.
    • Shandong
      • Qingdao, Shandong, China
        • Completed
        • Qingdao Maternal and Child Health Hospital
      • Zaozhuang, Shandong, China
        • Recruiting
        • Zaozhuang Maternal and Child Health Hospital
    • Shanxi
      • Taiyuan, Shanxi, China
        • Recruiting
        • Taiyuan Maternal and Child Health Hospital
    • Tianjin Municipality
      • Tanggu, Tianjin Municipality, China
        • Completed
        • Tanggu Maternal and Child Health Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 40 years (Adult)

Accepts Healthy Volunteers

N/A

Sampling Method

Non-Probability Sample

Study Population

women who have induced abortion in early pregnancy (<12 weeks of gestation)

Description

Inclusion Criteria:

  • women have induced abortion in early pregnancy (<12 weeks of gestation).
  • permanent population and no tendency to move.
  • normal language expression and understanding ability, able to understand research content.
  • be able and willing to provide written informed consent and effective contact information, and be willing to cooperate with follow-up investigations.

Exclusion Criteria:

  • above the age of 40
  • with history of adverse pregnancy and childbirth

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
adverse pregnancy outcomes
Time Frame: 2028.6
the rate of different adverse pregnancy outcomes
2028.6

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Complications
Time Frame: 2020.6
the rate of different complications
2020.6

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

National Research Institute for Family Planning, China

Investigators

  • Principal Investigator: Pei Kaiyan, National Research Institute for Family Planning (NRIFP)

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

June 1, 2019

Primary Completion (Estimated)

December 1, 2027

Study Completion (Estimated)

June 1, 2028

Study Registration Dates

First Submitted

November 28, 2019

First Submitted That Met QC Criteria

November 28, 2019

First Posted (Actual)

December 3, 2019

Study Record Updates

Last Update Posted (Estimated)

September 12, 2025

Last Update Submitted That Met QC Criteria

September 5, 2025

Last Verified

September 1, 2025

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • No.2018-I2M-1-004

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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