When are cats said to be in season?

A female cat can be in season five times a year. It is only during these periods,which last about five days each, that the cat is fertile. Her mating call is a shrill caterwauling. The domestic cat, as a rule, goes in season for the first time between the ages of seven and twelve months. Her pregnancy generally lasts two months. A few hours before she delivers her litter she dtops eating. a normal litter os kittens is four.(questions and answers)