Hi Iam Jaya.. I Have Polycystic Ovary In Last 6

hi iam jaya.. i have polycystic ovary in last 6 month i consult with doctor and i am taking treatment
for pregnency still iam not concive..for this month again my periods started on 1st august this is
my 13th day yesterday i went to hospital the doctor said your egg growth is 9mm only for this 13 thday
normally it will grow up to 16mm for u only 9mm. doctor my question is why the egg growth is very slow for me...