Hi,
Female cats can come into heat every single month like a woman.
You can read about this here:
http://www.petplace.com/cats/the-heat-cycle-of-cats/page1.aspx
http://petcaretips.net/heat_pregnancy_cat.html
Please let me know if you would like to discuss this in more detail.
Best wishes,
Terri
Dedicated to Cats and the people who love them!
Please press ACCEPT if my answer was helpful and leave feedback Thank you! Terri