Guangzhou Preterm and Term Birth Cohort Study

Running, not enrolling

Conditions studied: Preterm Birth, Neurodevelopmental Disorders, Overweight, Obesity, Allergic Diseases

In brief

The Guangzhou Preterm-Term Birth Cohort (GPTBC) is a prospective observational study of how early-life nutrition, environmental exposures, and family factors relate to the health and development of preterm and term infants and their mothers. Mother-infant pairs are followed from birth to 24 months. Researchers use questionnaires and biological samples to study human milk, microorganisms in the infant gut, physical growth, development, and allergic diseases, and whether these relationships differ between preterm and term infants. Findings may inform nutrition and health strategies for infants born at different gestational ages.

Key facts

Study ID

NCT07756177

Run by

Sun Yat-sen University

People needed

200

Starts

2023-11-21

Expected to finish

2026-12-31

Last updated by the study team

2026-08-10

Who can join

Age: 18 and older, up to 45. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Maternal age between 18 and 45 years.
• Resident in Guangzhou for at least one year.
• Gestational age at delivery ≥ 32 weeks and < 42 weeks (moderate-to-late preterm or term births).

You may not qualify if…

• Critical illness during pregnancy requiring admission to the intensive care unit.
• Unwilling or unable to breastfeed.

Where it is running

• Sun Yat-sen University — Guangzhou, Guangdong, China

Full record on ClinicalTrials.gov

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