A 28-year-old multiparous woman at 30 weeks of gestation presents with regular uterine contractions every 3–4 minutes and vaginal bleeding. Cervical examination reveals 3 cm dilation and 70% effacement. Speculum examination shows pooling of fluid consistent with rupture of membranes. Fetal heart rate is 145 bpm and reactive. What is the most appropriate next step in management?