Inv: normal LH, FSH and estradiol, prolactin=600. What is the most likely dx?

A young woman who is a marathon runner comes with secondary amenorrhea. Inv: normal LH, FSH and estradiol, prolactin=600. What is the most likely dx?

a. Hypothalamic amenorrhea
b. Pregnancy
c. PCOS
d. Prolactinoma
e. Anorexia

C

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