Talk to Gynecologist on PCOS

i was taking diane 35 and aldactone for pcos. i take them for six months. the issue is that its been mnth i stoped them but my period flow is not enough. i dnt have a issue of irregular periods in pcos. jab mai ny diane 35 21 days ke tablets khtm hti the to 3 ya 4 days k bd period atay thy lekin bht kam flow hta tha aur jb dubra diane strt krti the to periods bnd ho jty thy..my dr said its just a withdrawal so don't wory.. but know my periods flow is very minimum.. nd only for 2 or 3 days.. before taking this medicine my periods flow is minimum to normal for 5 to 6 days. please guide me why im getting very minimum flow .