Clinical trial Recruiting at 1 site Observational

Investigating early life exposures and their health effects in Guangzhou

Official title: The Born in Guangzhou Cohort Study (BIGCS)

Run by Guangzhou Women and Children's Medical Center · NCT02526901 · Data updated 2026-11-12

This study looks at how early life experiences, like the environment and lifestyle, affect the health of mothers and their children in Guangzhou, China, especially concerning issues like high blood sugar during pregnancy and childhood obesity.

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Quick facts

Study typeObservational
SexAll
Enrollment30000 (estimated)
SponsorGuangzhou Women and Children's Medical Center
Academic / other
Locations1 site (Guangzhou, Guangdong)
StatusRecruiting
StartedFebruary 1, 2012
Main results expectedDecember 31, 2025
Study endsDecember 31, 2030
Registry record updatedFebruary 26, 2024
Trial IDNCT02526901 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are pregnant women under 20 weeks of gestation who plan to deliver at the Guangzhou Women and Children's Medical Center.

Probably not a fit

Patients who are not pregnant or those who do not intend to remain in Guangzhou for at least three years may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

The Born in Guangzhou Cohort Study (BIGCS) aims to explore the short- and long-term health effects of early life exposures on individuals in Guangzhou, China. This observational study collects data on environmental, occupational, and lifestyle factors, as well as health outcomes, from pregnant women and their children. Biological samples, including blood and tissue, are also gathered to support the research. The study focuses on understanding how rapid economic development and lifestyle changes impact health, particularly concerning conditions like intrauterine hyperglycemia and childhood obesity.

Why it matters

Potential benefit: If successful, this study could provide insights into preventing chronic diseases and improving health outcomes for future generations.

How similar studies have gone: Other studies have shown success in examining the effects of early life exposures on health, making this approach both relevant and valuable.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Pregnant women with \<20 weeks of gestation
* Pregnant women intended to eventually deliver in Guangzhou Women and Children's Medical Center
* Permanent residents or families intended to remain in Guangzhou with their child for ≥3 years

Where it's running

  • Guangzhou Women and Children's Medical Center
    Guangzhou, Guangdong, China
    Recruiting

Study contacts

  • Principal investigator: Xiu Qiu, PhD — Guangzhou Women and Children's Medical Center, China
  • Study coordinator: Xiu Qiu, PhD
  • Email: qxiu0161@163.com
  • Phone: 0086 20 38367160

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.