Suggest Remedies To Avoid Pregnancy After Having Unprotected Sex

HI isr i had sex with my girlfriend with a condom worn but later when i ejaculated in it i removed it and washed my penis and than again entered her half but didnot ejaculated but dont know about the semen or what we call precum. so for safety i gave her ecp pills after 2 hours and its is 5 days by now and she performed urine test which was negative can she be pregnant or should we be stop worried PLZ REALLY NEED GUIDANCE