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Can I vaccinate my dog during her heat cycle if she might be pregnant?

Updated on September 23rd, 2025

Pet's info: Dog | American Eskimo Dog | Female | unspayed | 8 months and 16 days old | 13 lbs

Can i take my dog in for vaccines if she started her heat cycle on the 7th of March. She might be pregnant or should I hold off?

1 Answer

Most Helpful Answer

Jennifer Summerfield, DVM CPDT-KA

Answered By Jennifer Summerfield, DVM CPDT-KA

Veterinarian, Certified Dog Trainer

Published on March 15th, 2020

Hi there. We don't normally recommend vaccinating pregnant dogs, since if she would happen to have a reaction to the vaccines, this could cause significant problems for the developing puppies or even cause her to lose the pregnancy. So if you think Rosie might be pregnant, I would recommend waiting until after she's had the puppies, and then having her vaccinations updated.
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