20,000 women join study to uncover Abortion's impact on later pregnancies

NCT ID NCT04183829

Recruiting now Knowledge-focused Sponsor: National Research Institute for Family Planning, China Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 1 time

Summary

This study is following 20,000 women in China who had an induced abortion early in pregnancy (before 12 weeks). Researchers want to see if having an abortion in the past leads to more complications or problems in later pregnancies. The women will be tracked over time to compare their pregnancy outcomes with those who have not had a prior abortion. This is an observational study, meaning it only looks for patterns, not a treatment or cure.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to: If this study finds clear links, it could help doctors better counsel women about future pregnancy risks after an abortion.
What could go wrong: This is an observational study, not a treatment trial. It can show associations but not cause and effect, and results may take years to emerge.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

pregnancy loss, recurrent, susceptibility to, 1

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

ABORTION REPRODUCTIVE HEALTH

Contacts and locations

Show contact details

Study contacts

Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Changzhou Maternal and Child Health Hospital
RECRUITING

Changzhou, Jiangsu, China
Chongqing Health Center for Women and Children
RECRUITING

Chongqing, China
Daqing People's Hospital
RECRUITING

Daqing, Heilongjiang, 150000-160000, China

Contact
People's Hospital of Inner Mongolia Autonomous Region
RECRUITING

Hohhot, Mongolia Autonomous, China

Contact
Qingdao Maternal and Child Health Hospital
COMPLETED

Qingdao, Shandong, China
Shenzhen Luohu Maternity and Child Healthcare Hospital
RECRUITING

Shenzhen, China
Taiyuan Maternal and Child Health Hospital
RECRUITING

Taiyuan, Shanxi, China
Tanggu Maternal and Child Health Hospital
COMPLETED

Tanggu, Tianjin Municipality, China
Yangzhou Maternal and Child Health Hospital
RECRUITING

Yangzhou, Jiangsu, China
Zaozhuang Maternal and Child Health Hospital
RECRUITING

Zaozhuang, Shandong, China
Zhangjiakou Maternal and Child Health Hospital
RECRUITING

Zhangjiakou, Hebei, China

Contact
Zhongshan Boai Hospital
RECRUITING

Zhongshan, Guangdong, China

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