acetate which is antiandrogenic and ethinyl oestradiol which inhibits ovulation somehow.It is advised to help regular mens and treat pcod
symptom.It should be taken on 1st day of cycle & continues for 21 days and after stopping this mens starts.It is advised for 3 to 9 cycles depending upon the pcod symptom.
There are some side effect if using it for several cycle like nausea
, breast tenderness, change in libido, early bleeding, minor wt gain.
So if bleeding occurs in 23rd day, it is quite normal if other pcod symptom under control.And if you want to conceive, then consult to your gynaecologist.