None
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Fathers participate to the BirThree Cohort Study (2) Children are breastfed by the first month of life (3) Breast milk is collected at the first month of life (4) Children take health checkup by the municipalities (5) Children take follow-up survey at the Community Support Centers of the Tohoku Medical Megabank Organization Based on the above criteria, children, fathers and mothers whose data of basic characteristics (sex, age, relationship), questionnaire, follow-up survey at the Community Support Centers of the Tohoku Medical Megabank Organization, maternal and child health handbook, health checkup by the municipalities, medical record and breast milk are fully available
Exclusion criteria
Exclusion criteria: People whose consents are withdrawn before the study begins
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Child obesity/overweight, bone density, neurodevelopment | — |
Countries
Japan
Contacts
Tohoku University Birth and Three-Generation Cohort Study, Tohoku Medical Megabank Organization