A couple is trying to conceive, and the woman's menstrual cycle is 28 days long. When is the best time for fertilization to occur?
Q1. A couple is trying to conceive, and the woman's menstrual cycle is 28 days long. When is the best time for fertilization to occur?
Answer: Day 14-18
Explanation: Ovulation occurs on day 14; fertilization must occur within 24 hours.