Lung maturation injections were first performed in the world in 1972. Since then, lung maturation injections have become popular, contributing significantly to reducing the risk of acute respiratory failure, death and other diseases in premature infants.

Lung maturation drugs are used in cases where pregnant women show signs of threatened premature birth or are at high risk of premature birth to avoid the risk of respiratory failure in newborns due to immature lungs. So should fetal lung maturation drugs be injected during pregnancy?