A33-year-old g2p1 woman at 39 weeks gestation presents with painful contractions. her membranes ruptured two hours prior to presentation. her pregnancy has been uncomplicated and she has a history of a cesarean section for breech presentation. she highly desires a vaginal birth. on admission, she is having contractions every four minutes and fetal heart tracing is category i. on cervical exam, she is 5 cm dilated, 80% effaced, and the fetal vertex is at -1 station. four hours later, she continues to contract every four minutes with reassuring fetal status and her cervical exam is unchanged. what is the next best step in the management of this patient? a. place an intrauterine pressure catheterb. administer vaginal prostaglandin e1c. administer vaginal prostaglandin e2d. perform a vacuum assisted vaginal deliverye. perform a cesarean section