Relationship of estrous irregularity, pseudopregnancy, and pregnancy to canine pyometra.
D000818:Animals; D004283:Dog Diseases / Q000209:etiology*; D004285:Dogs; D004971:Estrus; D005260:Female; D011247:Pregnancy; D011248:Pregnancy Complications / Q000662:veterinary*; D011555:Pseudopregnancy / Q000150:complications*; D014591:Uterine Diseases / Q000209:etiology / Q000662:veterinary*