Overview
Recruit the mothers and their infants who bron in Peking University People's Hospital from 2023 to 2026, to evaluate the interaction between environmental exposure and gut microbiota.
Eligibility
Inclusion Criteria:
- Pregnant woman
- aged 20-40 years old
- natural conception
- single pregnancy
- gestational age ≥36 weeks
- Newborn
- normal Apgar score
- no serious congenital diseases
Exclusion Criteria:
-