Ladies, those who have already given birth, please tell me something. I'm…

Ladies, those who have already given birth, please tell me something. I'm already 39 weeks pregnant and I don't feel any signs of labor in a week or two. It feels like I still need to walk and walk. My belly is small, they said on an ultrasound that the baby is delayed by two weeks. I keep running here and there, my belly allows it, and I haven't gained much weight. There's no usual rest like other pregnant women at the end of their pregnancy, etc. And this scares me. It's as if the baby isn't going to come out at all. Has anyone had a similar situation? Like, there was no premonition of labor but they started