Answer to Question 1
ANS: D
Follow-up care is important because the woman is at risk for choriocarcinoma. Oral contraceptives may be prescribed to prevent another pregnancy and allow human chorionic gonadotropin levels to return to normal. The incidence of moles increases with maternal age and parity.
Answer to Question 2
ANS: B
During the first trimester, common causes of bleeding are spontaneous abortion, cervical polyps, ectopic pregnancy, and hydatidiform mole.