Idk what to do anymore:/?

so i am 16 and i have a baby that is 4 months old....I'm never happy anymore, well yes i love my baby girl to death but...i haven't seen my mom or dad in 5 months they kick me out right after i had Ashley (my baby), and i live alone in apartment like 30 minutes from them, i am a single mommy her daddy only seen her once when she was born never after, right now i miss my mom and dad a lot i have tried a lot to see them but they are always "busy" and when i go over to see them they cant even open the door they pretend that no ones home..I'm just out of things to do and try and see them...they have never meet their granddaughter, they have only seen pictures..its sad...I'm just upset that they cant find time to see me and my daughter..i know there still mad that i had a baby at 16 but okay lets get over it.. i only have my sister out all my family my brothers say wtf wow your going to ruin Ashley's life, and that makes me feel so upset. i love Ashley with all my heart and shes my world..i needs so input on what to do because i want my mom and dad back in my life..thanks..