I am 21 years old. I had unprotected sex 2 times .i had my last periods on 16 of march .after that I hv done a unprotected sex on 3 april which was not fully done. After tht I have done another unprotected sex on 10 april .but after 10 min I have taken the I pill immediately on 10 april and at the same time done a pregnancy test which was negative on 10 april. Now on 13 april I have done a beta hcg test and the result of it is 0.28.i want to knw that I am pregnant or not. Please help me out I do not want to be pregnant. Why I am not getting my periods please reply me.