Hello, 15th march was first day of my periods and it finish on 19th march, i had unsafe intercourse on 23rd march. After intercourse i took 2 tablets of AAAAAAA 35, and after 12 hrs again i took 2 tab of AAAAAAA 35 like this till now i had 12 tablets of AAAAAAA 35, please advice is it will work to prevent pregnancy . Please help, or if i take ipill on 27th march, will it work to prevent pregnancy???