Injecting pregnant women at risk for delivering preterm babies with increases the babies' chances for survival and lowers their risk of respiratory distress syndrome and severe lung disease.

A) Corticosteroids
B) Vitamin K
C) Folic acid
D) A local anesthetic

Corticosteroids

A class of steroid hormones that are produced in the adrenal cortex and are involved in a wide range of physiological processes including stress response, immune response, and regulation of inflammation.

Respiratory Distress Syndrome

A serious breathing disorder often seen in premature infants, caused by the lack of a slippery substance called surfactant in the lungs.