A patient at 30 weeks gestation presents with complaints of vaginal bleeding. She is admitted to a labor room for evaluation. Fetal hea rate is 130 bpm with no accelerations or decelerations. Ultrasonography reveals a placenta covering a poion of the internal cervical os. She currently shows no active vaginal bleeding. The best management of this patient involves which of the following?
A
Cesarean delivery
B
Resuscitation and observation in high risk ward
C
Amniocentesis to assess fetal lung maturity and plan delivery
D
Gentle cervical examination to assess dilatation and amnionic membrane status