Female pets see even greater benefits, including the reduced risk of mammary tumors (which is the most common malignant tumor seen in female dogs), and the eliminated risk of cervical, uterine, and ovarian tumors. (ochsms.org)
However, transient diabetes, weight gain, increased risk of mammary tumors, uterine infections and liver toxicity are sometimes associated with that medication. (2ndchance.info)
Dr. Maura of Victor Veterinary states, «female dogs and cats that have multiple litters in their life will not only be putting more of their reserves and energy toward nursing kittens / puppies they will also be at higher risk of mammary tumors and uterine infections later in life.» (lensandleash.com)