hi.i m 23yrs old female and i had sex last night without protection.after ejaculating once outside my boyfriend again inserted his penis withou washing.and after sometime again ejaculated outside.it was instant and after that my entire stomach region till my pubic region was all wet and fluidy and i cudnt distinguish between my white discharge and semen.though i washed it thoroughly.and ths morning i got home pregnancy confirmation test through morning's first urine and results were negative.do i need to hav an ipill for safety?plzz help.thanks