Gradual female cats are suitable for pregnancy after 12 months. Normal female cats will start to be in estrus at 6 to 8 months, but the reproductive organs of female cats are not fully developed at this time. If they are bred, it may cause dystocia. Or stillbirth, so it is best to wait until one year old before breeding. At this time, the pregnancy rate of the female cat will be higher and the fetus will be healthier.