This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ecotopic Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Spigelberg criteria is used in: \nSelect and explain. \nA. Ovarian pregnancy, B. Abdominal pregnancy, C. Cervical pregnancy, D. Tubal pregnancy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a, i.e. Ovarian pregnancySite of ectopicCriteria for diagnosisOvarian ectopicAbdominal ectopicCervical ectopicSpigelberg criteriaStuddiform ectopicRubin criteria/ Palmann criteria', 'role': 'assistant'}]