Percentage of getting pregnant without orgasm

Condom use 101: Basic errors are so common, study finds. Yes, You Can Get Pregnant Without Having Sex. But in answer to the original question, if you have a period that appears completely on schedule and average for your body, it's quite likely that you are not pregnant. When used correctly, birth control is extremely effective. So i am a 18 year old girl that just had sex with my partner but i been late on my period and today he came inside of me so cant i come out pregnunt and innhow many days i could fine out i am???