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How many times does a female dog go into heat in her lifetime?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female

How many times does a dog have heat in her lifetime?????

1 Answer

Most Helpful Answer

Dr. Melanie, BVSc MS

Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on May 14th, 2019

A dog goes into heat once every six months. A first heat typically occurs after a dog is six months of age, but large breed and giant breed dogs go into heat later, sometimes closer to two years of age. The number of times over a lifetime depends on when the dog first goes into heat, and how long they live.
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