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Guangzhou Preterm and Term Birth Cohort Study

Active Not RecruitingN/A

Sponsor: Sun Yat-sen University

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

Interventions: No Intervention: Observational Cohort

Countries: China

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.

Eligibility overview

Sex: ALL

Age: 18 Years to 45 Years

Healthy volunteers: Yes

Study type: OBSERVATIONAL

Eligibility criteria

Inclusion Criteria:

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

Exclusion Criteria:

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

Locations (1)

Guangzhou, Guangdong, China