Which medication is typically given to reduce uterine contractions in preterm labor?

Tocolytics, such as magnesium sulfate, are specifically designed to reduce uterine contractions and are commonly used in cases of preterm labor. Their primary purpose is to delay labor, allowing more time for fetal development or for the administration of other therapeutic interventions that may improve outcomes for the infant. Magnesium sulfate not only helps in minimizing contractions but also has neuroprotective properties for the fetus, making it a suitable option in preventing preterm delivery.

The other types of medications mentioned serve different purposes. Antibiotics may be used if there is an infection that could be exacerbating the preterm labor but they do not directly affect contractions. Analgesics are primarily intended for pain relief and do not manage uterine contractions effectively. Antidepressants are used to address mood disorders and have no role in the management of labor or contractions. Thus, tocolytics are the appropriate choice for the reduction of uterine contractions in the context of preterm labor.