Been having contractions 10mins apart for the last couple of weeks and every time I go to the…

Been having contractions 10mins apart for the last couple of weeks and every time I go to the hospital they send me home and tell me to come back when they are 6 minutes apart like wtf I don't be knowing I'm having contractions to begin with my back just be hurting I was induced with my first child and I don't remember what contractions was like I just felt like I had to poop real bad with him