Suggest Treatment For Irregular Periods When Having PCOS

Hi, I am 34 years old and have been having the problem of polycystic ovaries, though I have managed to conceive twice and have 2 healthy kids now. My periods are irregular eversince the age of 12 and I want to check out if it is advisable to have regesterone tablets, as my periods are delayed by more than 2 months now. I have taken this tablet once before