Early Menopause Condition_symptoms Early Menopause?

Early menopause? - early menopause condition_symptoms

I read on the Internet on some of the symptoms I was haveing (irrational, then the normal cycle, sleep disorders, etc.) and what I found is that many of them contributed to pre - menopausal, but I'm only 25th Who belongs in the menopause so early?
I have no family history knowen her. My mother is almost 50, with no signs of menopause.