Ok so me and a guy I have been friends with for years decided to start hooking up and the last four months we have been very safe about it all we use condoms religiously and I'm on birth control and we'll the pill is still very new to me and that's no excuse but I missed my pill Friday Saturday and Sunday . Once I remembered I took it Monday as normal . He came over Monday morning after work and we did it as normal using a condom . And discovered once we finished that the condom had broke and he did cm. I freaked out as normal went to bed and I woke up in morning and started my period so I know I may be pregnant but what's the chances I'm not.?