Which drug is used to treat hypertonic contractions related to prostaglandin gel?

Terbutaline is an effective choice for managing hypertonic contractions, particularly when these contractions occur due to the administration of prostaglandin gel. Hypertonic contractions are characterized by excessive contraction of the uterus without adequate relaxation, which can lead to fetal distress or adverse outcomes in labor.

Terbutaline is a beta-adrenergic agonist that works as a tocolytic agent, helping to relax uterine smooth muscle. By doing so, it alleviates the excess tone and helps regulate the contractions, leading to a more effective labor process and improving fetal well-being.

In contrast, oxytocin is typically used to induce or augment labor by stimulating contractions, which would not address the issue of hypertonic contractions effectively. Misoprostol, while it is also a prostaglandin, is used to help induce labor or manage postpartum hemorrhage, rather than specifically targeting hypertonic contractions. The term "placental hormone" is vague and does not refer to a specific medication that would manage hypertonic contractions related to prostaglandin gel.

Thus, terbutaline is the most suitable option for this scenario due to its specific mechanism of action in relaxing the uterus and managing the complications associated with hypertonic contractions