Thanks for the query.
Missing a period for many cycles and having bleeding lasting for such a long time at your age group is indicative of pre-menopausal symptoms. It may also be due to fibroid, endometrial hyperplasia, endometrial cancer, contraceptive side effects, thyroid dysfunction and hormonal imbalance.
Kindly consider consulting a gynecologist for an examination and test like a pap smear, endometrial biopsy, ultrasound of the abdomen, blood, urine, liver and kidney function tests. The Doctor will treat you accordingly.
Hope this helped.
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