WebMD Health News. March 30, 2000 (Atlanta) -- As many as 44% of the people in the U.S. who have epilepsy -- more than 1 million people -- continue to have seizures, despite getting medical treatment, according to a report in the March issue of the journal Epilepsia.
First, some female dog and cat anatomy and the spay surgical procedure must be discussed first to understand how a pet can seem to be in heat after a surgery to prevent pregnancy and heat cycles. In the dog and cat, the uterus is shaped like a very long Y..
Canine Estrus Cycle. If your female dog isn't spayed, expect her to enter estrus approximately every six months. If she's a small breed, you might have to deal with the bloody, smelly discharge accompanying her heat cycle three times annually. Usually, a canine heat cycle lasts for two to three weeks, although the dog won't bleed that entire time. The initial discharge is fairly heavy, but it tapers off during a seven- to 10-day period. In addition to bleeding, a dog in season also urinates more frequently.