Talk to Gynecologist on Menstural Problem

26 Unmarried...I have mensus issue since 2016 or before this...man ne aik gynacologist se cosult kia.she gave me medicine for 15 days and said no need to visit again.n also stirctly suggested me to delete all junk processed food from my diet..i use medicine hardly 2 days then ignore...phir 2 to 3 months thek guzre shayad 2 din ki medicine ka koi positive effect ta..then again problem started..week,2 week or even month late periods.koi green tea ya qehwa use krne se periods start hon gay but 15 20 din ya pura month...thek in 2019 i again consulted a gynacologist.she diagnosed PCO disorder..gave me Diane tablet n one other..i take medicine regularly..almost 5 months regularly clinic visit n medicine li.but as i left ...after 2 to 3 month same issue ..sometimes i feel like..green tea n qehwa.homeremedies se positive effect ata...i dont know what is the issue all this..add one thing more..there is no weight gain...age 26 n weight almost 47 kg..i have some reports but i dont know how to upl