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I will assume you are talking about the dog's heat cycle.
A female dog does not have a menopause, as people do. Their cycles continue their entire life, though in it's elder years the cycle can become less predictable as to when it occurs.
A female dog no matter it's age can become pregnant, but that doesn't mean it's healthy for an older dog! This is why female dogs need to be spayed, preferably before the onset of their first heat cycle.
What else can I help you with?
Is it normal for a 13-year-old dog to start menstrual cycle again?
No! See your vet immediately!
Is a 3 year old labrador too old to be trained?
Nope your dogs still a puppy kinda. You can still train your dog.
How old is a teenage dog?
A 13 year old dog is actually 91 in dog years. You take our year/age of dog's life and multiply each year by 7. A 16 year old dog is actually 112. Again, do same as above.
Does your 14 year old house dog still need DAP vaccine?
Vet wants to give my 14 year old dog DAP vaccine. I can't afford it. Any suggestions?
Can a 47 year old woman get pregnant having intercourse on the 19th date of a 30 day cycle?
If she is still having a regualr cycle then she could still become pregnant, although it can be more difficult.
Is a 2 and a half dog older than a thirteen year old human?
Well, it depends. If it's a small dog, it would be 21.6 years old in dog years. A larger dog would be 22.1 years old in dog years. Either way, it would still be older.
Can a 15 year old female dog get pregnant?
can a 15 year old male dog make puppies with my 2 year old dog
How old is a 5 year old dog in human years?
35 dog years old- if a dog is 1 human year old, the dog is 7 years old in dog years. 7 times 5=35 years old.
Why does my 1 year old dog eat my 9 year old dog's hair?
maybe he likes it
How old would an eleven year old dog be in dog years?
In his seventies.
What is a good dog for a 11 year old?
A good dog ifor a ll year old a border collie
How old is a 19 year old in dog age?
147 years old because 1 year to us in seven years to a dog
