From menstrual cramps and mood swings to the painful nature of childbirth, women undergo a good amount of physical and emotional changes over their life. In many instances, these changes are good. Menstruation is essential for conception, and the pain of childbirth is quickly forgotten once the baby is born. Unfortunately, menopause is a change that most women feel offers no real benefit. While most women begin menopause in their 50s or later, 4 in every 100 women start menopause at a younger age.