A 32-year-old G1P0 woman at 33 weeks gestation presents with a sudden gush of clear fluid from her vagina.
She denies contractions or vaginal bleeding.
On sterile speculum examination, pooling of fluid is noted in the posterior fornix, which tests positive for ferning.
The fetal heart rate is 140 bpm with moderate variability.
Which of the following is the most appropriate next step in management?
