Gynaecology & Obstetrics General ee2dc7ca Average reproductive life span of ovum is? A 6-12 hrs B 12-24 hrs C 24-36 hrs D 3 days High-Yield Explanation Ans. is 'b' i.e.,12-24 hrsReproductive life of ovum - 24 hours (12 - 24 hours)Reproductive life of sperm - 24 - 72 hours