This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Normal Menstruation, Abnormal Menstruation, Menopausal Physiology and forsight of conception, Subject name: Gynaecology & Obstetrics
[{'content': 'A young woman had a H/o spontaneous aboion and secondary amenorrhea since then. FSH 6 IU/l Reason: \nSelect and explain. \nA. Ovarian failure, B. Pituitary failure, C. Ongoing pregnancy, D. Uterine synechiae', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ovarian Failure is when the FSH is 40 Million IU or more. Pituitary failure has FSH values lesser than 1 Million IU. Since she came after an aboion, then an ongoing pregnancy is ruled out. Uterine synechiae, called Asherman syndrome, do cause amenorrhea mostly after an \'Over zealous" curettage but even a spontaneous aboion can cause a post aboal endometritis which may lead to healing of the endometrium with scarring and fibrosis.', 'role': 'assistant'}]