Unprotected Sex, Had Vomiting Within Minutes Of Taking Unwanted 72. Pregnancy Chance?

hello yesterday i had unprotected sex with my bf m 22 yrs old we both are excited to take this ,they rubbed hhis penis in my vagina but when his sperm about to come they took his penis in hand and discharge all the sperm outside.even i took unwanted 72 within 24 hours but after 15 mins of tablet i vomitted please help me out i dont want to be a pregnant ,please say i am safe..