Bad decision? Help

Chyna

So i want a baby really really bad and I know it’s bad because I’m only 17 but I’ve always wanted kids. I don’t know why I’m like this because all my life it has been this way with me. It’s crazy because I Grow up taking care of my little siblings and baby cousins and I worked at a child care facility along with having a niece and nephews I know the ups and downs my dream job is to become a ob/gyn so I know the ins and outs but I don’t know what to do like what should I do?