Telling my parents the news!! HELP!!!

I'm 19 years old and I just found out I'm 6 weeks pregnant!!! I'm in college and I come from a stable home with many expectations! My boyfriend and I have been together a long time (5 yrs.) and he also has a steady job and couldn't be more excited about becoming a dad. We told his family last week and they're ecstatic! Now it's time to tell mine and I'm not sure where to even start! Help!