The relationship of estrous irregularity, pseudopregnancy, and pregnancy to the development of canine mammary neoplasms.
D000818:Animals; D001943:Breast Neoplasms / Q000209:etiology / Q000662:veterinary*; D002369:Castration; D004283:Dog Diseases / Q000209:etiology*; D004285:Dogs; D005260:Female; D008408:Mastectomy; D011247:Pregnancy; D011248:Pregnancy Complications / Q000662:veterinary*; D011555:Pseudopregnancy / Q000150:complications*