My problem is also more or less same but i was in my fertile period i think, i had ny periods in 27th of november and had unprotected sex on 11 december.Later i came to know tgat emergency contraceptives r banned here like postinor 2 , so i tried for iucd next day with in 24hrs, but my cervix was tightly closed and she was unable to insert it. Then she told me to take mervellon 4 tablets then next day 3 and coming day again 3. I have regular periods of 28 days. . What else i can do as its not 48 hrs has been passed.