Some female dogs get Pyometra, a disease of the uterus. It will make their organs fill with pus and they will rupture. Get her fixed. Also, your male dog is fixed, so it should be fine, if you notice a lot of humping, separate them if necessary.
11-20 years
3fit
I am a breeder and I absolutely love chihuahua's, My best guess is 4-9 years old just because they might have complications(for Male). for the female it is best to weait at least 2-8 years.
The average chihuahua lives about 15 years.
21
The Chihuahua is the smallest breed of dog. The average lifespan of both the long and smooth haired Chihuahua is approximately 10 to 18 years depending on a variety of factors including genetics.
You retire a Female Yorkie from breeding at the age of 5.
chihuahuas can live up to 17 years... so it is very likely and not unusual that your chihuahua lives to be 13
Yes My dog Peter has locked with my female do numerous times. My female dog also was not in heat at the time. It is actually a regular occurance in my household and my male dog has been fixed for 2 years now.
14-18 years.
9500 years old
only depending on how many and how big her pups are. often times Chihuahua's need c-sections because the baby pups heads are so big. if the male is biger then the girl and has a much bigger head maybe in 12 years of breeding iv never had that problem