@Christine even tho getting pregnant isn't easy the chance of getting pregnant without condom is significantly higher then with a condom. What hasn't happend yet can still happen one day. Plus like the person who already answered condoms also protect against soas and stuff. I geuss you're lucky that you didn't get pregnant with condomless s** (unless you want to get pregnant then you might want to speak with a doctor ) but I want you to be careful because it's not because it hasn't happend it will never happen for some people one time without the condom ended in pregnancy. So better safe then sorry.