Awww, congratulations on your upcoming arrivals! It IS very exciting to see the xrays of the little babies. Please keep us updated on her progress and we'd love to see pics of the mama to be too.
If you need help at whelping time you're sure to find some here from the many experianced breeders. If you haven't read up on what to expect, this website
Canine Reproduction Video and Book on Breeding and Whelping dogs by Debbie Jensen for dog breeders and Whelping Supplies needed to deliver puppies. is one of the best IMO. Scroll down and click on the links on either side for a wealth of information.
Good luck & welcome to Yorkie Talk.