Hi
My boy didn't crawl at all. He really didn't move a great deal until he turned 1 year when he started scooting along on his backside. He looked rather funny as he kinda moved like a crab lol but he was up running around by 15 or 16 months. I was a bit concerned too but he got there in the end.

Enjoy your nice placid bubba. I'm sure she's fine and she'll move around in her own time