Fetal lung maturity
Conditions
Interventions
Normal control group:None
NRDS group:None
TNN group:None
Sponsors
Guangyuan Central Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: All pregnant women were >=18 years old, singleton pregnancy, healthy, had no adverse pregnancy history, and signed informed consent.
Exclusion criteria
Exclusion criteria: Maternal factors: pregnant women with BMI > 30 kg/m^2, pregnant women with complications and comorbidities (hypertension, preeclampsia, gestational diabetes), and pregnant women with loss of functional ability. Fetal and neonatal factors: fetal lung or liver pathological diseases (pulmonary cystic adenoma, liver hemangioma, etc.), fetal intrauterine growth restriction (IUGR), extremely low birth weight, and structural or chromosomal abnormalities diagnosed after birth.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Fetus proximal lungs Young's modulus value; | — |
Secondary
| Measure | Time frame |
|---|---|
| Fetal distal lung Young's modulus value;Fetal liver Young's modulus value; | — |
Countries
China
Contacts
Public ContactQin Qin
Guangyuan Central Hospital
Outcome results
None listed