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..
Most dogs come into heat every 6 to 7 months http://www.gsdhelpline.com/heat.htm The female dog comes into heat (estrus) about every six months, although very large breeds of dogs may cycle every 8-10 months. The heat period lasts about three weeks.