Please help

I'm 14 weeks pregnant and I feel so fucking suicidal like a burden everywhere I go like im not worthy for nobody or my baby please help me im so a lone I'm only 20 I have really no family no one to talk to in this bad feeling getting so bad please... I wanna feel like I'm here like me and my baby matter I know I'm a bad mother already didn't know it was this hard I understand if nobody believes me or even care I'm nothing no body anyways