Soru

A 21-year-old university student is brought to the outpatient clinic by her older sister because she has not had a menstrual period in 8 months. She experienced menarche at 13 years of age and subsequently had regular 29-day cycles. Over the past year, she has been training intensively for a regional triathlon and adhering to a strict, calorie-restricted vegan diet. She reports feeling occasionally fatigued but denies headaches, visual disturbances, or hot flashes. She takes no medications and is not sexually active. Her temperature is 36.6°C (97.9°F), blood pressure is 96/60 mm Hg, and pulse is 48/min. Her BMI is 16.8 kg/m2. Physical examination shows a very thin woman with fine, soft hair over her arms and back. Pelvic examination is unremarkable, and a urine pregnancy test is negative. Which of the following serum hormone profiles is most likely to be found in this patient?