This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2017, Subject name: Gynaecology & Obstetrics
[{'content': 'Pregnant patient comes at 34 weeks gestation with leaking. which investigation can be done for diagnosing the leak? \nSelect and explain. \nA. Speculum examination, B. USG, C. Non stress test, D. 3 swab test', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Speculum Examination- Done taking aseptic precautions to inspect the liquor escaping out through the cervix. During sterile speculum examination,ruptured membranes are diagnosed if Amniotic fluid pools in the posterior fornix or clear fluid flows from cervical canal', 'role': 'assistant'}]