Review Question - QID 109446

A 24-year-old woman presents to her gynecologist for irregular periods. For the last 3 years, she has had about 4 periods a year. She has recently begun shaving her upper lip and chin due to excessive hair growth. The patient is an active runner and works as an accountant during the day. She does not desire pregnancy at this time. She has a family history of breast cancer in her mother at age 49 and myocardial infarction in her father at age 52. At this visit, the patient’s temperature is 98.4°F (36.9°C), pulse is 74/min, blood pressure is 124/72 mmHg, and respirations are 13/min. The patient’s body mass index (BMI) is 21.6 kg/m^2. Physical exam is notable for mild stubble on the upper lip and chin. A transvaginal ultrasound is performed and shown in Figure A. The patient is started on an oral contraceptive. Which of the following is the most appropriate next step in management for this patient?