Hi M.,
Why do you have to move her exactly? It doesn't sound like you are really ready. Is there some reason your pediatrician told you she should be in her own room, or is that just their "belief"? There are many schools of thought on "co-sleeping" so unless your pediatrician gave you a particular reason that you agree with regarding moving your daughter to her own room, I personally wouldn't feel the pressure to do so until I was ready.
If you do agree with you pediatrician and you choose to move your baby into her own room, I personally did not use the crib bumper for fear of suffocation. Neither of my kids ever hurt themselves when not using a crib bumper. I think my son got his leg caught between the spindles once or twice, but he didn't hurt himself. It was more fear because he couldn't figure out how to get his leg back out. You need to make sure your crib has all the current safety features of course, like spindles being close enough together, etc., but if you have a fairly new one, that shouldn't be an issue.
Again, you might do a little more research about co-sleeping (either having baby in their own bassinet or crib in your room which is what we did, or even having them sleep in your bed which I know some other parents do) before you move her unless your pediatrician gave you a health related reason to move your baby into her own room. You don't sound like you're very comfortable with moving her and it might be worth it to wait until you are. That's just my opinion of course. :-)
Good luck!