Fetal delivery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Singleton pregnancy, with at least three prenatal check-ups completed at this hospital during the study period, key variables (such as delivery outcomes and data from at least three prenatal check-ups) are complete, while some non-core variables may be missing.
Exclusion criteria
Exclusion criteria: Multiple pregnancies, major fetal malformations, and critical data missing (such as incomplete prenatal ultrasound data, missing delivery outcome data, or prenatal check-ups conducted outside the hospital).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Periodic prenatal examination data; | — |
Countries
China
Contacts
The First Affiliated Hospital of Zhejiang Chinese