What Is The Treatment For Hormonal Imbalance And PCOS?

i have so many acne's due to hormonal imbalance, as the doctor said contraceptive pills is of great help, thus althea is one of the pills that can cure my acne? how many months should i take it, that will able balance my hormones.and 1 thing also i was diagnosed as PCO's polycystic ovarian sydrome. thanks have a great day