What is the main goal of using Betamethasone in pregnant women?

Betamethasone is a corticosteroid that is administered to pregnant women primarily to promote lung maturity in the fetus, especially when there is a risk of premature delivery. This medication stimulates the production of surfactant in the fetal lungs, which is crucial for lung function after birth. Surfactant reduces surface tension in the alveoli and helps to prevent their collapse, making it easier for the newborn to breathe.

The administration of Betamethasone is particularly important in preterm pregnancies, as immature lungs can lead to respiratory distress syndrome, a serious condition in premature infants. By enhancing lung maturity before delivery, Betamethasone significantly improves outcomes for neonates, reducing the incidence of complications associated with underdeveloped lungs.

The other options presented do not align with the primary actions of Betamethasone in the context of pregnancy. Increasing blood flow is not the main effect of corticosteroids, and while infection prevention is crucial during pregnancy, Betamethasone does not serve this purpose. Additionally, stabilizing blood pressure is not related to the indication for using this medication in pregnant women.