This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'Ectopic pregnancy is RAREST and MOST COMMON among which of the following sites respectively? \nSelect and explain. \nA. Ovary and ampulla of fallopian tube, B. Broad ligament and isthmus of fallopian tube, C. Cervical and ampulla of fallopian tube, D. Abdominal and isthmus of fallopian tube', 'role': 'user'}, {'content': 'Answer: C \nExplanation: MC site of Ectopic Pregnancy - Fallopian tube - Ampulla (MC) Least Common site of Ectopic Pregnancy - Caessarian scar of Previous Pregnancy > Cervical Ectopic > Abdominal', 'role': 'assistant'}]