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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Mother-infant cohorts (Cesarean section) | Delivery mode, Cesarean section |
| |
| Mother-infant cohorts (Natural delivery) | Delivery mode, Natural delivery |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| delivery mode | Other | Based on delivery mode, we will divide them into two groups, including Cesarean section and Natural delivery. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Arsenic levels and Gut microbiota | Arsenic levels in biological samples; gut microbiota and metabolites in stools. | Pregnancy (12, 24, 36 weeks) and infants (born, 1 week, and 1, 3, 6, 12, 24 months) |
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Inclusion Criteria:
Pregnant woman
Newborn
Exclusion Criteria:
-
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Pregnant woman registered in Peking University People's Hospital will plan to give birth in the hospital.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Xue Xu, Dr. | Contact | 010-88324385 | xuxue19877182@sina.com |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The Peking University People's Hospital | Recruiting | Beijing | China |
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mother-infant stools, umbilical cord blood, placenta and hairs.