Hi... I'm Glory By Name And I'm 24 Years Of

Hi... I'm Glory by name and I'm 24 years of age... I took postinor2 twice last month in a week... I'm supose to see my period on d 5th of this month but it's nt coming and I'm so scared.. and I'm having pains in my stomach... breast pain, waist pain... Pls are this side effect of me taking postinor2 twice in a week.. and when am I likely to see my period again?