Scared mom

Ok so i need help relieving my stress, im 12 weeks along and cant stop worrying about this mistake i made when i got pregnant, so according to an app i ovulated on jan 22 well i had sex with my fiance on the 16,17 with no protection and the 23,24 with no protection but on the 21st i had an affair please dont judge, abd had sex with a guy who used a condom and kept going with the same condom a little after he came and now im scared who it could be that got me pregnant. If i could have your opinion i would appreciate it.