My son has a flat spot in the back of his head. At his four month check-up, the pedi said it was still within normal range for right now, and she expects it to get better on it's own as DS rolls over and sits up. I totally trust her, but I am still trying to keep DS off the back of his head as much as possible except for sleeping. He has an exersaucer, a Johnny jump up, a super seat (like Bumpo only it has a tray around it with stimulation toys), and I have an Ergo.
I try to rotate him around to these things throughout the day, but he really will only use them for 5 or 7 minutes. His favorite thing? His playmat, of course. And he can roll from belly to back, so I can't really make him stay on his belly. I am really trying to avoid too much time on his back, but it's just not feasible to hold him all day, and like I said, he won't use any of the toys that keep him off his head for very long. Any suggestions?