no it wasn't a good choice. it was very irresponsible and immature. suck it up and tell them.
OMGoodness girl. I got pregnant when I was 16 and had my baby at 17 but I was in my second year of college at that point but 14! Wow I would definitely just eat it and tell your parents... you are really going to be relying on them for at least the next 4 years (until you are an adult at 18). Try telling your mom first. My mom was so understanding and we knew each other so well that she knew before I did and she knew what I would and wouldn't do (abortion adoption etc). Best of luck to you.