I'm pregnant and i dont know what 2 do?

5 months ago i started fooling around with my boyfriend that i have been dating for six years.We have constantly,we always made sure that we had safe .Until one night i was so into it, i just didnt care.Now i am pregnant and i'm not sure if i should stay with my grandparents or run away to my boyfriend, because my gramma said if i ever get pregnant she'll kick me out of her house.Please help me!U can also email me at:liscious_d@yahoo.com