An amniocentesis is a procedure used to identify chromosomal abnormalities, neural tube defects, Rh incompatibility, and fetal lung maturity.
Fetal lung maturity is determined by the
L/S ratio (
HINT: L/S measures levels of Lung Surfactants). An L/S ratio ≥ 2:1 indicates the baby's lungs are mature.
Glucocorticoids can help promote fetal lung maturity in pre-term labor. Give 24-48 hours before birth.
