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Why are my cat's nipples enlarged and different colors if not pregnant?

Updated On September 23rd, 2025

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

Daisy hasn't had kittens before, but she was with her sister when her sister gave birth. She's really affectionate to them. Daisy's nipples are enlarged, but I'm rather sure she's NOT pregnant. A few of her nipples are pink, but my concern is that a few of them are a gray color. She is a tortoise shell cat if that is relevant. Did the kittens suckled on her teat or hormones might affect the color? Can cats naturally have one color nipple and another different color nipple?

1 Answer

Most Helpful Answer

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Answered By Dr. Davis

Veterinarian

Published on April 20th, 2018

You are correct about the reasons for your observations. The skin color around the nipples and other places on the body can vary. Areas of dark fur often have darker, more pigmented skin. The kittens may have tried to nurse her making the nipples larger and pinker. Since she’s not spayed being around the kittens may have brought her into heat and the change in hormones can effect the size of the nipples too. I’m not overly concerned about this, I think what you are describing sounds fairly normal. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Daisy.

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