AP BIOLOGY

Detailed explanation-1: -Females have a reproductive phase of usually 35-45 years between menarche and menopause. Menarche is the beginning of the reproductive phase whereas menopause is the end.

Detailed explanation-2: -In females, the reproductive phase of life begins at puberty (10 to 12 years of age) and generally lasts till the age of approximately 45 to 50 years. The ova begin to mature with the onset of puberty.

Detailed explanation-3: -Menarche is the first menstruation of the human female on the attainment of puberty that occurs at about 13 years of age, whereas menopause is the phase in the human females life when ovulation and menstruation stop that occurs at about 45-55 years of age.

Detailed explanation-4: -What Is Menopause? Menopause is a natural, biological state in a woman’s life. It occurs when a woman stops having her monthly menstrual cycle, and it marks the end of her reproductive years.

Detailed explanation-5: -The answer to this is Menarche. The reproductive phase of a woman lies between her Menarche and Menopause. Where Menarche is the medical term given for a woman’s first menstruation and Menopause is the term given for the time that marks the end of a women’s menstrual cycles.