What Is The Treatment For Ovarian Cyst?

hi, i m ana..my periods were quite normal(31days) till october 2010 than i had a long period of 45days...on diagonosis dr. said that i had a cyst(3cm) in right ovary which was than ruptured after 14 days....than again my periods are normal(to march2011) ..furturly my blood was tested , the test result was LH:FSH=2.5(DAY3) ,ESTRADIOL=21.6(DAY3), PROGESTRONE=10.1(DAY21)....on day 3 exam dr. found a dominant follicule of 7mm but on day 12 no dominant follicule was there,,,, she said that i hav pcos but she is confused wheather i m ovulating or not as my periods are also normal.....plz give me answer as i m trying 2 get pregnant till last 8 months