high-risk pregnant
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Prospective collection of single pregnancy pregnant women and live births within 24 hours after delivery from July 2020 to July 2023 in obstetrics and Gynecology Hospital affiliated to Fudan University; 2. The length of head and buttock measured by ultrasound during the last menstrual period or early pregnancy; 3. Complete prenatal ultrasound data (including growth ultrasound measurement, fetal echocardiography and neonatal echocardiography).
Exclusion criteria
Exclusion criteria: 1. The fetus has obvious structural malformations, chromosomal abnormalities or genetic syndromes, and decides not to continue the pregnancy; 2. A history of smoking, alcohol abuse or drug abuse in the first half of pregnancy or the first trimester; 3. A history of viral infection or teratogenic drug use in early pregnancy; 4. A history of exposure to toxic or harmful substances or large doses of radiation in the first half of pregnancy or the first trimester; 5. Pregnancy outcomes were not followed up for delivery outside the hospital.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| ultrasound parameters;SEN, SPE, ACC, AUC of ROC; | — |
Countries
China
Contacts
The Obstetrics and Gynecology Hospital of Fudan University