My age is 21, i have period cycle problem since 5-6 years Periods come in gap of 2-3 months also sometimes in gap of 4 months , And when it comes goes with a bad condition flow of minimum 8-9 days. Irregular periods are the major problem , so what should i do? I have consulted a dr 5 years back, who prescribed my 21 days oral tablets which made my health worst. Period could only come with tablet and only stop with tablet, Help me for the same and some consultation.