At how many months old do cats go into heat?

Question

When should I expect my kitten to go into heat, I would like to get her spayed before then!

Answer 1

about 6 to 8 months  

Answer 2

Most vets will spay a female once they reach 3 pounds. They can go in to heat as early as 5 months, and certainly by the time they are 6 months old.  The younger you spay her, the shorter her recovery time will be - at 3 months (about 3 pounds) their recovery time is about a day!  They're running and playing the very next day after their surgery.  The earlier you have her spayed, the less you have to worry about her going into heat.