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Uterus of a dog. Pyometra in a dog. The most obvious symptom of open pyometra is a discharge of pus from the vulva in a female that has recently been in heat. However, symptoms of closed pyometra are less obvious. Symptoms of both types include vomiting, loss of appetite, depression, and increased drinking and urinating. [1]
Increased estradiol alters the endometrial lining and promotes proliferation of epithelial cells, thickening of the tissue, and elongation of the spiral arteries that provide nutrients to the growing tissue. Estrogen also makes the endometrium more sensitive to progesterone in preparation for the luteal phase. [citation needed]
An endometrial polyp or uterine polyp is a mass in the inner lining of the uterus. [1] They may have a large flat base or be attached to the uterus by an elongated pedicle (pedunculated). [2] [3] Pedunculated polyps are more common than sessile ones. [4] They range in size from a few millimeters to several centimeters. [3]
Most female placentals have a uterine lining that builds up when the animal begins ovulation, and later further increases in thickness and blood flow after a fertilized egg has successfully implanted. This final process of thickening is known as decidualization, and is usually triggered by hormones released by the embryo. In humans ...
Female dogs are at risk for endometritis and pyometra in the postpartum period and after estrus or vaginitis. Signs and symptoms include fever, lethargy, loss of appetite, excessive thirst, restlessness, a foul smelling vaginal discharge which may or may not be bloody, infertility, or they may be asymptomatic.
What the cramps feel like: Uterine fibroids can cause a feeling of heaviness, pressure, or cramping in the pelvic area and lower back, says Dr. Bone. “Sharp, stabbing pains may occur if a ...
Fibroids (leiomyoma) — fibroids in the wall of the uterus cause increased menstrual loss if they protrude into the central cavity and thereby increase endometrial surface area. Coagulation defects (rare) — with the shedding of an endometrial lining's blood vessels, normal coagulation process must occur to limit and eventually stop the blood ...
In the early stages of infection, the ultrasound may appear normal. As the disease progresses, nonspecific findings can include free pelvic fluid, endometrial thickening, uterine cavity distension by fluid or gas. In some instances the borders of the uterus and ovaries appear indistinct.