Food allergy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ? Both parents have resided in Wenzhou for at least 2 years; ? Both parents have no history of infectious diseases such as HIV and other sexually transmitted diseases, and no family hereditary diseases such as Down syndrome; ? Single pregnancy and no maternal complications (pregnancy diabetes, hypertension and eclampsia); ? Both parents agree to participate and are willing to cooperate in the follow-up until the child is 2 years old (sign an informed consent form).
Exclusion criteria
Exclusion criteria: ? Missing baseline clinical data and questionnaire surveys; ? The infant suffers from serious congenital diseases (congenital heart disease, bronchopulmonary dysplasia, biliary atresia, diabetes, etc.); ? Infants and young children have a history of mechanical ventilation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| indole;Indole propionic acid; | — |
Countries
Chian
Contacts
Affiliated Second Hospital and Yuying Children's Hospital of Wenzhou Medical University