Yay! (Probably) 3 puppies! That is a nice sized litter for a 1st timer; not too many and not to few. At least now with the x-ray done you can relax a little bit at least having a better idea of how many to expect & their sizes. It is hard wondering constantly WHEN..........but hey, we're all here wondering with you, so you're not alone. Try to rest as much as you can in case she decides to whelp in the middle of the night as I hear most of them do. Though I was lucky my first time; she waited til morning.