Sir I Had Sex With My Gf 2 Days Before

Sir i had sex with my gf 2 days before but penis was not inserted deeply completely n i ejaculated outside d vagina but may be 1 or 2 drop fallen inside am not sure about it n today we again had intercourse today I inserted penis completely n i ejaculated outside but not sure may be 1 or 2 drops may fallen inside .after today's intercourse she is feeling pain in her stomach.how be sure that she is pregnant or not?