This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary System, Subject name: Gynaecology & Obstetrics
[{'content': 'Young woman LMP was 2 weeks back complains of pain in lower abdomen with no H/O fever and absence of leukocytosis. Diagnosis is - \nSelect and explain. \nA. Ectopic pregnancy, B. Mittleschmerz, C. Acute intermittent obstruction, D. Dysuria', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Mittelschmerz o Young female having mid cycle lower abdominal pain without fever and leukocytosis directs to the diagnosis of mittleschmerz.# Mittelschmerz is a mid-cycle pain, not lasting more than 12-24 hours, around ovulation. Pain is located in one of the iliac fossa and may be accompanied with vaginal bleeding.", 'role': 'assistant'}]