Pls doctor,I had unprotected sex two days after my menstrual period,I took postinor 2 later that day,then after two days,I had another unprotected sex,I took another tablet of postinor 2 after three days,right now am feeling pain in my tummy and my breast is paining me too,I don t know if am pregnant,pls what should I do for I don t want to have a baby now,should I take mifegestone?