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Why did my pregnant dog's temperature drop then rise before labor?

Updated On September 23rd, 2025

Pet's info: Dog | Bluetick Coonhound | Female | unspayed | 10 months and 24 days old | 40 lbs

I have a bluetick coonhound who is 59 days pregnant. I habe been checking her temp all week and this morning around 8:30 am it was 97.4 i took it again tonight about 9:00 and it was 100.2. Her vulva is really swollen and im not sure if i should worry where it went back up.

2 Answers

Most Helpful Answer

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Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on May 25th, 2017

Usually, the body temperature does go back up into the normal range before labor actually begins - so this sounds normal :) I would expect that she will probably begin having puppies within the next 24 hours, based on what you're describing here.

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12Pet Parents found this answer helpful

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on April 13th, 2019

    This drop in temperature can signify the start of labor. Typically after the temperature drops below 100F, you can expect puppies within 24 hours. Keep an eye on Roxy, and if she hasn't given birth 24 hours after this temperature drop, have her seen by a vet. I hope this helps!

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    1Pet Parents found this answer helpful

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