What is the purpose of using tocolytics in pregnancy?

Tocolytics are medications specifically used to suppress premature labor, particularly when there are signs of impending preterm delivery. The primary goal of using tocolytics is to delay labor for a sufficient period to benefit both the mother and the fetus, allowing for interventions such as corticosteroids for fetal lung maturity or transport to a facility that can provide appropriate neonatal care.

In managing preterm labor, tocolytics help relax the uterus and reduce contractions, which can be crucial for improving outcomes for both the mother and the baby. They are typically employed when preterm labor is diagnosed and the gestational age is between 20 and 37 weeks.

Regarding the other options, inducing labor would be contrary to the use of tocolytics, as the aim is to stop labor rather than initiate it. Tocolytics are not used to treat hypertension, and while they may indirectly lead to improved fetal conditions by prolonging the pregnancy, they are not designed to enhance fetal movement. Thus, the primary, correct use of tocolytics is to suppress premature labor.