early menopause

[amanda]

The average age of a woman having her last period, menopause, is 51. however Surgery and certain medications or treatments can force a woman's body to enter early menopause.

[electra]

The Causes of Early Menopause:   An explanation of the common causes of premature ovarian failure, early menopause, surgical menopause and chemical menopause -- as well as a brief look at other disorders that may cause menopausal symptoms.