Most babies crawl between the age of 6 to 10 months age. But some may skip the crawling phase altogether and go straight to pulling up, cruising, and walking. You can help baby get ready for their crawling debut by giving him/her lots of supervised time on the belly. So, not crawling at 9 months is not a concern. And it is good that she is sitting upright and able to stand. Next, expect her to walk. Crawling requires a baby to use muscles in the neck, back, shoulders, and arms. And core muscles must be strong to support her weight and help maintain balance. Vision also plays a roll. They use binocular vision using both eyes. But her not turning over at age 9 months is of concern as most babies turn over between age of 4 to 7 months. Babies turn over from tummy to back at 4 months and back to front by 6 months. She may have skipped the phase of turning over and is getting ready to walk as she is standing now. I would not worry, but at the next visit with your baby’s pediatrician, discuss your concern, I recommend.