Neonatal respiratory diseases
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: In this cohort study, the subjects include singleton pregnant women with gestational age between 28.0 and 39.0 weeks.This includes: 1) Pregnant women who plan to give birth within 48 hours or are likely to give birth are considered eligible, including: A. Patients planning selective induction of labor; B. Patients planning selective cesarean section; C. Patients with pregnancy complicationsincluding: a) Threatened preterm labor b) Premature rupture of membranes c) Various pregnancy complications, mainly preeclampsia and fetal growth restriction 2) Patients who received ultrasound scans of fetal lungs within 48 hours before delivery; 3) Signed a written informed consent form.
Exclusion criteria
Exclusion criteria: 1) Fetal structural or chromosomal abnormalities; 2) Corticosteroids were used between ultrasound and delivery to promote fetal lung maturity; 3) Excess body fat rate (BMI > 35kg/m2) within 1 week before delivery; 4) Neonatal sepsis, umbilical artery pH < 7.00, symptomatic anemia, and meconium aspiration; 5) Any condition that other researchers think is not suitable for this study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Neonatal respiratory distress syndrome;Transient Tachypnea of Newborn;SEN, SPE, ACC, AUC of ROC, PPV, NPV; | — |
Countries
China
Contacts
Peking University First Hospital