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Is my 7-month-old female dog humping because she's in heat?

Updated On September 23rd, 2025

Pet's info: Dog | Chihuahua | Female | unspayed | 7 months and 19 days old | 7.1 lbs

I've noticed my 7 month old female Chihuahua has started humping her male bestfriend everytime she's around him is this normal?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on July 31st, 2017

Yes it is normal, as Miley Jane is about the right age to come into heat for the first time. If you do not want puppies, I recommend having her spayed as soon as she is out of heat, which is typically within three weeks. I would keep her isolated from any intact male dogs during this time, even if you plan on breeding her at some point. It is never recommended to breed a dog on their first heat because they are not fully grown both physically or mentally. It's recommended to wait until a dog is at least two years before mating her. Have her seen by a vet soon if you want to spay her.

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