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Is it safe for a small female dog to get pregnant by a large dog?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Female | unspayed

Is it true if a female dog gets impregnated by a larger dog she might die??

2 Answers

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on December 6th, 2017

No this isn’t entirely correct. She does however have a greater chance of needing a C-section if the puppies end up being bigger than her birth canal. Which is why it’s best to have her examined by your vet and radiographs taken to look at the size of the fetuses. If they are too big to pass, then a simple C-section can be scheduled for the Mama dog. I hope this helps. Best wishes and take care.

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    Answered By Dr. Melanie, BVSc MS

    Veterinarian

    Published on April 26th, 2018

    The problem with a female dog having puppies from a much larger male is that the puppies themselves will be big, leading to difficulties giving birth. Small toy breeds are already prone to birthing difficulties, and having larger than normal puppies increases this risk. That's not to say Ski can't have them and survive, but you need to be prepared financially that she may need a c section. I would start saving money now for it. First though, I'd recommend having her seen by a vet to confirm if she is pregnant or not. Give your vet a call in the morning to make an appointment for her. Best of luck.

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