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My 20-month-old dog's vulva is swollen with discharge. Is she in heat?

Updated On September 23rd, 2025

Pet's info: Dog | Border Terrier | Female | unspayed | 1 year and 7 months old | 14 lbs

Bitch is 20 months and not been in season her vulva is swollen she has a milky discharge is well in herself not off food. Still very active

1 Answer

Most Helpful Answer

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Answered By Megan, DVM, CVA

Veterinarian

Published on January 7th, 2018

It sounds like she may be coming in/out of heat. Small dogs don’t always have a significant amount of blood where you can see. Sometimes it is just a few drops here/there. She may also be experiencing a false pregnancy which is where her body thinks she is pregnant but she isn’t. Keep a close eye on her and to be extra cautious don’t let any intact males near her if you don’t want to have accidental puppies. If she starts to be lethargic, refusing to eat, or any additional weird behaviors i would have your vet take a look at her. I hope this helps!

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