How soon after a cat becomes pregnant will she come out of her heat?

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If a female cat is in heat and is mated on by a male cat, will she come out of her heat once she becomes pregnant?

if you dont know this, than you should not let your cat breed…
did you know that in six years, one cat and her offspring can produce over 6,000 kittens..
check this out!
http://www.sniksnak.com/stop_s-n.html
http://www.hsus.org/pets/pet_care/why_you_should_spay_or_neuter_your_pet.html
http://brightlion.com/InHope/InHope_en.aspx
please be resposible and spay your cat… its worth it!
I don’t know how soon after she becomes pregnant she will come out of heat but I do know that she will go back in right after giving birth so watch her carefully.
I’m not positive, but I don’t think she’ll come out of her heat, even if she’s pregnant until her cycle is complete.
Thats how my cat was.
But then again,
Its hard to say if maybe she got out of heat because she got pregnant,
Or possibly she just did because it was the end of her..heat.