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My pregnant dog has yellow, perfumed discharge. Is it serious?

Updated On September 23rd, 2025

Pet's info: Dog | Nova Scotia Duck Tolling Retriever | Female | unspayed | 4 years and 8 months old | 36 lbs

My pregnant 5 year old Duck Toller is at 50-ish days and has had a yellow discharge that has more of a perfumish odor. She has had it since around day 40. Ultrasounds show 5 sacks and have grown since day 40. We are waiting for progesterone level results, but i am wondering if she could just be having heavy Leukorrhea or if it could be something worse. How do I tell? and what can be done. I live in a mountain town in Colorado where the vets don't have expertise in this area. thanks!

1 Answer

Most Helpful Answer

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Answered By Dr. Strydom, DVM

Veterinarian

Published on February 13th, 2020

A pregnant dog will develop a mucus plug over her cervix, which keeps bacteria out of the uterus, protecting the fetuses. This plug is a whitish fluid resembling egg whites and should have no odor. In some dogs, the mucus plug causes a discharge throughout the pregnancy. Even though you described a perfumish odor I suspect this is what you are seeing. I don't know if your vet did this or not but I would suggest they take some of the discharge and look at it under the microscope. If there is a lot of white blood cells or bacteria that would be cause for concern. If your vets are not reproductive experts they can always call and consult with one. There are many good ones in Colorado. You could also call Whelp Wise and make use of their services. They are very good. ( http://whelpwise.com/testing/whelpwise-service.html )

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