How old should a dog be to have puppies?

A female dog might be physically capable of producing a litter of puppies as early as 5 months and generally reaches sexual maturity by 15 months. The age at which a dog goes into its first heat can vary depending on the breed. read more

Small dogs I: e Border Terriers, Jack Russell Terriers, Papilons, Chiwauwau, Staffies are safe to have puppies at 2 years but some small dogs like these can get away with as little as 9 months. read more

A ten year old unspayed female dog can indeed get pregnant and have puppies. If this is her first pregnancy, it could be relatively dangerous for her health, even if she was in good health going into the pregnancy. read more