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JiGenerations Health Cohort Study:Parental Exposure and Intergenerational Health in China

A Population-based Prospective Cohort Study Aimed at Examining the Effects of Parental Exposure Before and During Pregnancy on Adverse Pregnancy Outcomes, Offspring Health, and Mental Development for Chinese Ethnics

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT07514377
Enrollment
100000
Registered
2026-04-07
Start date
2025-08-01
Completion date
2039-12-31
Last updated
2026-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Adverse Pregnancy Outcomes, Birth Defects, Child Development, Environmental Exposure, Fertility, Growth Retardation, Health Problems in Pregnancy, Metabolic Abnormality, Non-alcoholic Fatty Liver Disease, Overweight and Obesity

Keywords

birth cohort study, environmental exposures, birth defects, pregnant outcomes, children development, Child psychological development

Brief summary

The growing recognition of maternal health's impact on offspring necessitates large-scale prospective cohort studies spanning the maternal-child life cycle. This study establishes a family-centered birth cohort of 100,000 Chinese participants, tracking from preconception through offspring adolescence to investigate early-life health trajectories and intergenerational transmission of diseases, health status, and psychological-behavioral patterns. Data collection includes biospecimens (placenta, cord blood, breast milk, blood, urine, feces) and multi-omics analysis (genomic, proteomic, metabolomic, microbiomic), alongside clinical information from preconception, pregnancy, birth through childhood (0-14 years). The cohort covers 24 stratified sites across China, incorporating real-time environmental monitoring (air pollution, meteorological data) and sociogeographic factors. Targeting reproductive-age couples (18-45 years) and their offspring, the study addresses multigenerational health linkages, urban-rural disparities, and regional diversity from 2025 to 2039. By integrating genetic, environmental and lifestyle data, this research will identify critical intervention windows and mechanisms for chronic disease transmission across generations, supporting China's "Healthy China" initiative and developing targeted strategies for population health and aging.

Detailed description

The impact of maternal conditions on offspring health and disease has garnered increasing attention, underscoring the necessity of large-scale, prospective, multicenter cohort studies spanning the entire maternal-child life cycle to elucidate this relationship. This study aims to establish a family-centered birth cohort of 100,000 individuals, beginning at the preconception stage and tracking offspring through adolescence, to investigate early-life health trajectories. By doing so, we seek to enhance understanding of the intergenerational transmission of disease, health status, longevity, and psychological-behavioral patterns in the Chinese population. Furthermore, this research will identify critical intervention windows and underlying mechanisms, enabling the development of targeted health interventions. Ultimately, these efforts will contribute to improved population health and the advancement of healthy aging strategies rooted in early-life interventions. Data and Biospecimen Collection Information and biological samples will be collected from couples before conception, during pregnancy, at birth, and throughout childhood (0-14 years), establishing a family-centered cohort spanning preconception, pregnancy, birth, and childhood. Key health outcomes include metabolic disorders, cardiovascular diseases, neurodevelopmental abnormalities, immune-related conditions, and mental health issues. Multi-Omics Biobank A comprehensive database will be built using biospecimens such as placenta, umbilical cord blood, umbilical tissue, breast milk, oral epithelial cells, blood, urine, and feces, integrating genomic, proteomic, metabolomic, and microbiomic data. Study Population and Timeline The target population consists of Chinese couples of reproductive age (18-49 years) and their offspring, with a focus on multigenerational health linkages, urban-rural disparities, and regional representation. The study will launch in 2025, with long-term follow-up until 2039, conducted in phases from preconception to offspring adolescence. Geographical and Environmental Coverage A stratified sampling approach will cover 24 research sites across Northwest, Southwest, Central, North, East, South, and Northeast China, ensuring diversity in climate, socioeconomic status, and pollution levels. Real-time air pollution monitoring (e.g., PM2.5, SO₂), meteorological data (temperature, humidity), and sociogeographic factors (green space, urbanization) will be included. Significance: By integrating genetic, environmental, and lifestyle data, this study will uncover how early-life exposures influence chronic disease transmission across generations, providing targeted intervention strategies to support China's "Healthy China" initiative and address aging-related challenges.

Interventions

This is an observational cohort study. No interventions are assigned. Groups are defined based on different condition or exposure.

Sponsors

National Research Institute for Family Planning, China
Lead SponsorOTHER_GOV
West China Second University Hospital
CollaboratorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
1 Days to 45 Years
Healthy volunteers
Yes

Inclusion criteria

1. Parental Generation: Eligible participants include couples of reproductive age who undergo free pre-pregnancy eugenic health examinations, or pregnant women registered for prenatal care at healthcare institutions during early pregnancy (≤14 weeks). The participants are aged 18-45 years old and have mobile phones and internet (computer) devices. All participants must provide informed consent and commit to long-term follow-up. The participants have no serious neuropsychiatric disorders, with sufficient understanding and expression to complete the survey. 2. Offspring Generation: Newborns whose parents participated in pre-pregnancy eugenic health checks and/or maternal prenatal examinations are enrolled in the cohort upon parental (guardian) consent. Designated hospitals will provide expedited medical services, free physical examinations, free child healthcare, and free psychological counseling to ensure comprehensive follow-up spanning infancy, preschool, school age, and early adolescence (0-14 years).

Exclusion criteria

1. Intellectual disability or other serious mental disorders; 2. Suffering from serious underlying diseases and may have a significant impact on pregnancy outcome; 3. Those with poor compliance and difficulty in follow-up.

Design outcomes

Primary

MeasureTime frameDescription
Adverse pregnancy outcomesAt deliverythe rate of different adverse pregnancy outcomes

Secondary

MeasureTime frameDescription
Complications during pregnancyFrom enrollment during pregnancy until delivery or pregnancy termination, up to 40 weeksThe rate of maternal nutritional and pathological health issues.
Associations between prenatal environmental exposures and offspring health outcomesat baseline (preconception), during pregnancy (12weeks,24weeks and 32weeks), at delivery, and during offspring follow-up visits (at 3 months,6 months,9months, and 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 years)The Odds Ratio for offspring health outcomes in different prenatal environmental exposures.

Countries

China

Contacts

STUDY_DIRECTORYuan He

National Centre for Human Genetic Resources, National Research Institute for Family Planning

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 8, 2026