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Why is my 8-month-old dog showing heat signs but no swelling?

Updated On September 23rd, 2025

why is my dog showing signs of heat but has no signs of swelling and she is 8 months?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on January 2nd, 2017

Eight months is a normal time for a dog to go into their first heat, and she could be in heat without having any swelling. While a swollen vulva is a common sign of heat, it may not always occur with each heat cycle. You can take your dog into the vet to confirm she is in heat, however.

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