A 39-year-old female at 28 weeks pregnancy comes to the endocrinology office complaining of increased body or facial hair, including a beard or mustache, oily skin or acne on the face, male-pattern baldness, deepening of the voice, enlarged clitoris, increased sex drive for the last four weeks. She denies any abdominal pain. Ultrasound of the ovaries revealed an enlarged right ovary measuring 6 cm x 5 cm x 3.5 cm. A biopsy was taken and the specimen was submitted for histopathological examination in 10% formalin. Microscopically, sections from right ovarian mass revealed a lesion composed of diffuse masses of cells arranged in sheets, nests, and cords. The cells were polygonal in shape and had an abundant amount of finely granular eosinophilic cytoplasm. Nuclei were small, round, vesicular with prominent nucleoli. Occasional mitotic figures, areas of necrosis, and focal areas of hemorrhage were noted. Reinke crystals were not found in the sections studied. Reticulin staining fibers enclosing groups of cells, rather than individual cells. Hormonal studies reveal elevated testosterone, dihydrotestosterone, and androstenedione. Which of the following is the next step in the management of this patient?
