An 18 year old student presents with a 6 week history of secondary amenorrhoea. She has a history of previously regular menses. She is on no medication, is of normal stable weight, and no abnormal clinical features are noticeable. Her FSH level is suppressed, while her LH level reads in the normal range. a. What common condition explains her status? (5 marks) b. What further tests would you perform on this patient, in order to confirm your clinical suspicion? (3 marks) c. Why is there a discrepancy between the two gonadotrophins? (4 marks) d. What other hormonal changes would you expect in this student? (8 marks)
