How long in between first kitten and the next ones?

The time between a cat's first litter and subsequent litters can vary depending on several factors, including:

* Breed: Some breeds are known to have shorter intervals between litters than others.

* Individual cat's health and age: Younger, healthier cats may cycle more frequently than older or less healthy cats.

* Environmental factors: Stress, nutrition, and exposure to other cats can all impact the timing of a cat's estrus cycle.

Generally, a queen (female cat) can come into heat (estrus) as early as 4-6 months of age and can become pregnant shortly after that. However, it's important to note that it's not recommended to breed kittens before they are at least 1 year old as it can be dangerous and lead to health complications for the mother.

The average gestation period for cats is 63-67 days. After giving birth, a cat will typically go through a period of post-partum estrus, meaning she can become pregnant again within a few weeks.

Here's a breakdown of possible scenarios:

* First litter at 1 year old: If the mother cat gives birth at 1 year old, she could potentially become pregnant again within a few weeks.

* Subsequent litters: Once a cat has had a litter, she may go into heat every 2-3 weeks, though this can vary.

Important Note: It's crucial to spay or neuter your cat to prevent unwanted pregnancies and ensure their health and well-being.