What is too old to breed?

[tjdmom]

Originally Posted by cebamagirl

I also have a four year old female yorkie that has never had puppies and was interested in breeding her before she became too old. I was informed that she was too old since she never had a litter before. I thought she was too young when she was two and three years old. She seemed too immature. I guess the best thing to do is ask a vet. Any comments?

I have heard that having a first time litter after 3 can result in complications. Breeding a 4 year old would not necessarily be an issue so long as it was not the first litter. I don't recall exactly why, something to do with less flexibility in the pelvic bones I believe.