A 32-year-old woman, G5, P4, at 32 weeks gestation is admitted to hospital because of mild, bright red vaginal bleeding amounting to approximately 100 mL. Her last two children were born by lower uterine segment caesarean section. She has no pain or contractions. Vital signs are stable within the normal range. Fetal heart rate is 140 beats/min and regular and the CTG shows no decelerations and good beat to beat variation. Intravenous fluids are started, and blood is drawn for typing, cross-matching, and complete blood count. In addition to bed rest, management at this time SHOULD INCLUDE
(A) a rectal examination.
(B) a vaginal examination.
(C) beta sympathomimetic agents.
(D) immediate caesarean section.
(E) observation and further investigation.