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My adopted dog had two testicles, but now only one. Is this normal?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | unneutered

We recently adopted a 2 year old Staffie. He did have 2 testicles but now only has one. Is this normal?

1 Answer

Most Helpful Answer

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Answered By Laura Johnson VMD

Veterinarian

Published on December 10th, 2017

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! That isn't normal for both to be there then for one to disappear. The inguinal canal can still be open and one could move in and out. What is more likely the case is that he is cryptorchid, meaning one testicle was always retained with in the abdominal cavity. It is very important to have him neutered and both testicles removed. The retained testicle if likely to become cancerous over time being at body temperature. I hope this helps and I wish you and George the best!

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