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: Physiology
[{'content': 'Which of the following describes In vitro feilization: September 2005 \nSelect and explain. \nA. Method to judge the time of ovulation so that coitus can result in feilization, B. Use of hormones to promote feilization in the tubes, C. Removing mature ova, feilizing it with sperm and implanting back in uterus, D. Aificial insemination', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C: Removing mature ova, feilizing it with sperm and implanting back in uterusIn Vitro feilization is a technique employed in cases of infeility. Steps include removing mature ova, feilizing it with sperm and implanting one or more of them back in uterus at the four cell stage. It has a 5-10% chance of producing a live bih.', 'role': 'assistant'}]