hi..i had sex on 30of march and took i-pill on 31 to be on d safer side.My regular cycle starts on every 9 of month but this april i miss that and to avoid any confussion i took the home pregnancy test as well which was -ive. I had sex again on 20 Of april and took d i-pill on very same day and on d other day i found that there is a bleeding not much but just a little but i can feel pain in my stomach......should i consult a doctor or its normal