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My vet mentioned two spay types. Can a spayed dog still go into heat?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Female | 27 lbs

Today my dogs blood test was done. Vet told me there are two type of spaying in female. One in which, female will still go on heat cycle and attract male and other in which female will not go under heat cycle and not attract male. I'm in doubt that how after spaying will she go in heat again. I doubt that the vet is not professional. Please answer. Is this procedure exist?

2 Answers

Most Helpful Answer

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Answered By Daniel Fonza, DVM

Veterinarian

Published on April 15th, 2018

There is several ways to spay a dog but spaying traditionally is when the ovaries and uterine horns / body are completely removed. Spaying results in the termination of heat cycles, as in they will no longer happen. If a dog still goes into her after being spayed, it usually means there are remnants of the ovaries left behind. So, to answer your question, there is only one type of spay procedure that results in the complete termination of the heat cycles because the ovaries are what trigger the heat cycles to occur in the first place. Once the ovaries are removed, there is no longer the hormonal influence on the body the triggers the estrus cycle. I hope this helps guide you in the right direction. Please let me know if you have any other questions or concerns and I would be more than happy to help you further.

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    Answered By Jennifer Summerfield, DVM CPDT-KA

    Veterinarian, Certified Dog Trainer

    Published on April 5th, 2017

    Depending on what is common in your area, a "spay" is either the removal of the ovaries only (an ovariectomy), or removal of both the ovaries and uterus (ovariohysterectomy). This prevents any possibility of pregnancy in the future, and also reduces the dog's risk of problems like mammary cancer later on in life.

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