im 16 years of age and i want to get abortion .

im 16 yo and i had an intercourse with my boyfriend . i pee and washed my vagina after sex , but i still think im pregnant . i cant buy a pregnancy test kit because im underage . what are the signs of early pregnancy ? and if i am pregnant , how can i abort it ? its been only about 5 days now . please help meee .... please ... im going to college and i dont want to ruin everything ... i was all an accident ....