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..
The dog will then continue to go into heat approximately every 6 months or twice per year. Most female dogs are in heat for 18 days, although male dogs are only interested in the female dog for about half of this time. It is recommended that if the owner does not intend to breed the dog, then she should be spayed either before or after her first heat cycle.