All are causes of primary amenorrhea EXCEPT: (A) MRKH syndrome, (B) Sheehan's syndrome, (C) Kallmann's syndrome, (D) Turner's syndrome
Answer is B. Sheehan's syndrome Post paum pitutary necrosis. Occurs as a result of ischemic pituitary necrosis due to severe postpaum hemorrhage Presents as failure to lactate or to resume menses (Secondary amenorrhea) Other presentation: genital and axillary hair loss, asthenia and weakness, fine wrinkles around the eyes and lips, signs of premature aging, dry skin, hypopigmentation and other evidence of hypopituitarism.