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Why is my female cat's belly big after heat if she's not pregnant?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | unspayed | 15 lbs

I have a female cat that was in heat now her belly is big after she got out of heat and no she's not pregnant

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on February 17th, 2020

This could be a pyometra. A pyometra is an infection of the uterus that is fatal without treatment. With a pyometra, the uterus fills with pus, and that can cause the belly to get big. Have Peekaboo seen by a vet now.

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