Is it normal for my dog to go into heat more than twice a year?

Question

Is it normal for my dog to be in heat more than 2 a year. Last year bunz was in heat 4 times I believe. Pet's info: Dog | Chihuahua | Female | unspayed | 5 years and 3 months old | 7 lbs

Kevin Sanada, DVM · Accepted Answer

It is more common for them to only come into heat twice a year, but some do come into heat four times a year. As long as she is otherwise normal, I would not be concerned about any abnormalities causing this. If she is having lasting changes in behavior, or signs of illness, then I would be concerned and recommend a visit to the vet. Below is a link to an article with more information about the normal heat cycle in dogs. https://vcahospitals.com/know-your-pet/estrus-cycles-in-dogs I hope that helps and all is well with Bunz.

Is it normal for my dog to go into heat more than twice a year?

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