🏥 USMLE Exam Prep

A 28-year-old primigravida at 34 weeks gestation presents with regular uterine contractions every 3-5 minutes, cervical dilation of 3 cm, and 80% effacement. Fetal heart tones are reassuring. What is the most appropriate initial management step?

A Administer intravenous oxytocin
B Perform an amniotomy
C Administer betamethasone
D Initiate magnesium sulfate infusion

✓ Correct Answer: Option C

For preterm labor between 24 and 34 weeks gestation, antenatal corticosteroids (e.g., betamethasone) are given to promote fetal lung maturity and reduce neonatal morbidity and mortality.

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