sir i have take a i pill after sex, after one month i have no menstruation that why i have take two misoprostol orally and take two misoprostol vaginally, after that a silly bleeding is gone for one days, and after two month i have menstruation for , and it continue about 20 days, i have already consult with a doctor she suggest me to take Norethisterone tablet for 3 month with a 7 days intervel but no improve .now a days it s totally irregular some time it continue after one month for 3days and some time long time, what should i do now??