AP BIOLOGY

Detailed explanation-1: -In an average 28-day menstrual cycle, ovulation typically occurs about 14 days before the start of the next menstrual period.

Detailed explanation-2: -During days 10 to 14 of the cycle, only one of the developing follicles forms a fully mature egg. Around day 14 in the menstrual cycle, a sudden surge in LH causes the ovary to release this egg. This is ovulation. After ovulation, the hormone progesterone rises which helps prepare your uterus for pregnancy.

Detailed explanation-3: -Understanding your menstrual cycle Your menstrual cycle begins on the first day of your period and continues up to the first day of your next period. You’re most fertile at the time of ovulation (when an egg is released from your ovaries), which usually occurs 12 to 14 days before your next period starts.

Detailed explanation-4: -According to the American College of Obstetricians and Gynecologists, ovulation occurs around 14 days before a person expects to have their next period if their monthly cycle is 28 days. Most people ovulate between days 11–21 of their cycle.