2 days before my period started my boyfriend and I had sex. (Not on BC) he pulled out and didn't know whether the condom was on or not because it slid out when he pulled out. (bareskin) got pretty nervous because we lasted a while, but then I started my period. So my question, I should be good because I started, right? Shouldn't get pregnant? My period practically cleansed me right? Or am I wrong? Sorry not pretty educated about this. TIA.