A 32-year-old woman is undergoing a suction uterine dilation and curettage for a diagnosis of a hydatidiform mole based on the sonographic appearance of a snow storm pattern without a fetus. The ultrasound examination also revealed bilateral, large, thinly septated ovarian masses measuring 14 cm in diameter. The human chorionic gonadotropin (hCG) level was 120,000 IU/L. Which of the following is the best management of the ovarian masses?
1) A Laparoscopic cystectomy
2) B Laparoscopic oophorectomy
3) C Percutaneous biopsy
4) D Observation