welcome to Yt...glad to have you here! can't wait to see pictures...i am guessing maybe 6...hehe...
the stud determine the size of the puppy and the bitch determines how many...
also i would recommend using this java birth calculated if you already haven't...it helps you get a better idea of what is going on inside her and when the best time to do an ultrasound or xray its
good luck and keep us posted.
Canine Pregnancy Calendar