Differences between Menarche and Menopause.

Menarche:

1. It is the first menstrual cycle or the first menstrual bleeding in human female.
2. It is the culmination of a series of physiological and anatomic process of puberty.
3. There is secretion of estrogen by the ovaries in response to pituitary hormones.
4. It usually occurs between 10-14 years.

Menopause:

1. Also known as climacteric, it is the time when women lives, the menstrual periods stops permanently.
2. It is usually a natural change. It can occur earlier in those who smoke, tobacco etc.
3. Decrease in the hormone production.
4. It usually occurs between 45 to 50 years.