I don't "yet" how accurate the 3D scans are. We are expecting our little one at the end of the month. My daughter has had about 5 ultra sounds so far. There have been some hiccups. But, so far, so good. They have told her it is most likely a girl. Basically they told her if it is a boy, he is hiding it very well. She really sort of looks like she's carrying another little boy. But, I have made a girl quilt at my daughters request in Pink, Purple and Aqua and Grey. If it's a boy, I will be making another quilt for her in Navy, lime and white or Orange and Gray. So, I guess we will see. I'm am just praying for a healthy baby. Good luck and congratulations!