Im 17 and im pregnant ..help!?

im turning 17 years old in a few weeks.. i recently just had sex with my boyfriend...weve been dating for 3 and ahalf years...ive been on birth control for a few months ...i skipped one of my days and we had sex and i got pregnant...idk how to tell my parents...can anyone helpp? i know they are probably not gonna be very happy no matter what i say..im just so nervoussss..can anybody help me? please answer quick i would like to tell them today just to get it over with