How Long Does a Female Dog Have Her Period for?

Answer

A female dog has her period in a way similar to a human female. When their estrogen levels rise, they release an egg from the ovaries. This signals male dogs that she is ready to mate. If she mates during that time, she can possibly become pregnant. If she does not mate, her period which is called canine estrus, can last as long as 4 weeks. The amount of time that the period will last will depend on the age and breed of the dog.
Q&A Related to "How Long Does a Female Dog Have Her Period for..."
Well, first of all, dogs don't have periods but they have ":heat cycles" and depending on the breed of the dog, they can start as early as 6 months but mainly at about a
http://answers.ask.com/Science/Nature/when_do_fema...
The average heat cycle for a dog is approximately 3 weeks and since this an an average, some heats are shorter (as little as 7-10 days), others are longer (4 weeks or more). Average
http://wiki.answers.com/Q/Does_female_dogs_have_mo...
Dog's do not have periods but go into season or "heat" This is when they
http://www.chacha.com/question/what-is-a-female-do...
Depending upon the breed and the state of her hormones, anywhere from 6 months to a year. Beyond that and a vet should be consulted.
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