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My spayed dog has ovarian remnant syndrome. What are the risks?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Female | spayed | 1 year and 6 months old | 40 lbs

My one and a half year spayed female lab has ovarian remnant syndrome...what r the complications if I don't get her operated

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1 Answer

Most Helpful Answer

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Answered By Mirissa Duncil, DVM

Veterinarian

Published on July 20th, 2017

Hi there! ORS, or ovarian remnant syndrome, will likely cause little issue for your dog health wise. You may notice heatlike symptoms with her from time to time (blood spotting, swollen vulva, etc). She may attract males but cannot get pregnant if her uterus was removed. That said, if she is still producing estrogens you have a small chance at her still getting mammary tumors since all of the tissue producing hormones was not removed. I hope this helps!

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