Regular Painful Contractions in Obstetrics & Gynecology — 30yo Woman | General Gynecology | SMLE Q#662
SMLE Question #662
Obstetrics & Gynecology
General Gynecology
Last updated: February 2026
A 30-year-old woman, gravida 2 para 1, at 29 weeks’ gestation presents with regular painful contractions and cervical dilation of 2 cm. Membranes are intact, and the fetal heart tracing is reassuring. A tocolytic is planned to delay delivery to allow antenatal corticosteroid administration. She asks which medication, if used antenatally, is associated with increased risk of persistent patent ductus arteriosus in a preterm neonate. Which tocolytic agent is most likely associated with this risk?
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