This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Post coital test (PCT) is done for: \nSelect and explain. \nA. Cervical receptivity, B. Sperm motility, C. Absolute sperm count, D. Viable sperm count e. Endometrial function', 'role': 'user'}, {'content': "Answer: A \nExplanation: Post coital test (Sims or Huhner's test) is a test for evaluation of the potential role of Cervical factor in infertility.\nIt is designed to assess:\n\nThe quality of cervical mucus.\nPresence and number of motile sperms in the female reproductive tract. after coitus.\nInteraction between cervical mucus and sperms.\nIt gives an approximate idea of sperm count: (normally 10 - 50 motile sperms are seen per high power field in cervical mucus, if count is < 10 sperms/HPF it indicates the need for complete semen analysis).\nPost coital test gives a very rough idea about sperm count, motility and morphology.\nAs far as fallopian tube block is concerned postcoital test has no relation.\n\nTime of test:\n\nIt should be performed 1 or 2 days before the anticipated time of ovulation ,when maximum estrogen secretion is present.\nFor patients with irregular cycles, patients urinary LH surge may be helpful in scheduling the test.\n\nPrerequisites for the test: - Abstinence of 2 days.\n\nIntercourse to be performed 2 -12 hours before the test.\nNo use of lubricant.", 'role': 'assistant'}]