My puppy has a breast lump after her first heat. Is it serious?

Question

I found a lump on the mammary gland of my 7 month old puppy who is in the end of her first heat. Should I be worried. Pet's info: Dog | American Pit Bull Terrier | Female | unspayed

Ricardo Fernandez, DVM · Accepted Answer

Thanks for using Petco Pet Education Center, formerly Petcoach! This could be a benign or malignant growth. This is often differentiated by a test called a fine needle aspirate (FNA) which is a pain free, inexpensive and easy procedure which in most cases will help reach a diagnosis. Sometimes a biopsy is needed for a definitive diagnosis. I recommend that you have her evaluated by your veterinarian for further assessment and treatment. I am really hoping for something benign. Good luck and have a good day!

My puppy has a breast lump after her first heat. Is it serious?

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