I think she couldn't hold the pups because there were probably too many and not enough room for them to develope completely. The water is in very good condition. I do 50% water changes every three days. She can't get bullied because there is a devider in the tank. Tomarrow (Monday) will be 112 days pregnant. I'm just waiting patiently to see what is going to come out. I'm trying very hard not to get my hopes up.