Cohort profile: Sub-cohort study on the second phase of the Chiba Study of Mother and Child Health (C-MACH), Japan.

ABSTRACT:

Purpose

The second phase of the Chiba Study of Mother and Child Health (C-MACH) was initiated to investigate how environmental exposures from the fetal period to early childhood influence maternal and child health outcomes. The sub-cohort focuses specifically on detailed assessments of indoor environmental factors and neighbourhood-built and social environments. By integrating environmental metrics with biological, behavioural and sociodemographic data, the study aims to elucidate their role in the development of allergies, neurodevelopmental disorders and other non-communicable diseases in early life.

Participants

Between June 2021 and April 2023, 505 pregnant women were enrolled in the second phase of the C-MACH main study. Of these, 298 participants consented to join the

SUBMITTER: Takaguchi K 

PROVIDER: S-EPMC12918694 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature