Should I Be Concerned About The Delay And Pain After Taking Postinor Twice This Month Followed By Delayed Menstruation?

Hi, 22 of age I took postinor 2 twice in a month and up still now I haven t seen my period The normal flow surpose be 26 of January but today is 2nd february I haven t seen it yet I don t know what to do But am having adormal pain even with sullden breast but nothing is coming out