system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Average reproductive life span of ovum is
assistant
The correct answer is  LH surge occurs ~ 36 hours before ovulation LH peak occur ~ 12 hours before ovulation & marks the release of Ist polar body. This mature oocyte (ovum) remain ble for feilization for ~ 24 hours.