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 heat cycle of the female dog has three parts and lasts about 3 weeks. The first part lasts anywhere from 3-14 days during which a bloody discharge and swelling of th â¦ e vaginal area are usually seen. Next the dog will become receptive to being bred and actively may seek out a male dog. All Breeds show signs at the first week of coming into heat and then they are in heat for one week and then go out of heat over a week period, so three weeks total but o â¦ nly fertile in the middle week. 12 people found this useful. get spayed.