Purpose of the Screening
- Determine fetal lung maturity before a preterm delivery.
- Assess the risk of Respiratory Distress Syndrome (RDS) in the newborn.
- Assist physicians in making safer delivery timing decisions.
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This screening assesses the readiness of the fetal lungs for natural breathing after birth, minimizing the risk of respiratory distress syndrome and ensuring safe, well-informed medical decisions for delivery.
Scientific name: Fetal Lung Maturity Screening (L/S Ratio)
A laboratory test measuring the lecithin/sphingomyelin ratio in amniotic fluid to evaluate fetal lung development, crucial for managing preterm births and preventing neonatal respiratory complications.
Service type
Specialized laboratory test
Duration
30-60 minutes
Fasting
Fasting is not required
Included Services
- Amniotic fluid sample collection
- Laboratory L/S ratio analysis
- Medical result report
Medical Service Information
Indications for the Test
- Planned preterm delivery before 37 weeks of gestation.
- Pregnancy complications requiring early delivery.
- Pregnant women with pre-existing or gestational diabetes.
Result Interpretation
- A ratio of 2.0 or higher usually indicates mature lungs.
- A ratio below 1.5 indicates a high risk of immaturity.
- Ratios between 1.5 and 1.9 indicate a transitional or moderate risk.
Conditions & Notices
- Requires ultrasound to locate the fetus
- Must be performed by a specialist
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