Cat Pregnancy Calculator

Monitor the progress of your cats pregnancy with our calculator. Ideal for breeders and cat owners.

Mating date:
Due date:




Cats, like humans, go through pregnancy to bring new life into the world. Understanding the process of cat pregnancy, including how long it lasts and the signs to look out for, is essential for cat owners. One tool that can help with this is a cat pregnancy calculator. 

A cat pregnancy calculator is a useful tool for estimating the due date of a pregnant cat and tracking the progression of her pregnancy. While there isn't a specific calculator like those used for humans, you can estimate the due date by counting from the date of mating or the first day of estrus (heat).

Cat pregnancy, also known as feline gestation, is the period during which a female cat carries and nourishes her unborn kittens. The gestation period for cats can vary but generally lasts between 63 to 67 days from the date of mating. During this time, the female cat undergoes physical and hormonal changes to support the development of the kittens.

Signs and Symptoms of Pregnancy in Cats

During pregnancy, a cat's body undergoes several changes, both physical and behavioral. These changes can vary depending on the stage of pregnancy.

Here are some signs and symptoms to look out for:

Increased Appetite: Pregnant cats may show an increase in appetite, especially during the later stages of pregnancy, as they need more nutrients to support the growing kittens.

Weight Gain: Due to the growing kittens and the development of the mammary glands, pregnant cats often experience weight gain. This can be noticeable, especially if the cat is normally a stable weight.

Enlarged and Pink Nipples: One of the most visible signs of pregnancy in cats is the enlargement and pinkening of the nipples. This change occurs as the body prepares for nursing the kittens.

Nesting Behavior: Pregnant cats may exhibit nesting behavior, where they seek out quiet and secluded areas to create a comfortable space for giving birth.

Increased Affection Towards the Owner: Some pregnant cats become more affectionate towards their owners. They may seek more attention and enjoy being petted or cuddled.

Change in Behavior: Along with increased affection, some pregnant cats may also show changes in behavior. They may become more vocal or restless.

Vomiting and Morning Sickness: Just like humans, pregnant cats can experience morning sickness. They may vomit occasionally, especially in the early stages of pregnancy.

Abdominal Enlargement: As the pregnancy progresses, the cat's abdomen will gradually enlarge, becoming more noticeable.

It's important to note that not all cats will show these signs, and some may show only a few or none at all. If you suspect that your cat is pregnant, it's best to consult with a veterinarian for confirmation and guidance on proper care.

Stages of Cat Pregnancy

Cat pregnancy typically occurs in three stages: the estrus cycle, pregnancy itself, and labor and birth.

First Stage: The Estrus Cycle

The estrus cycle, also known as heat, is the period when a female cat is receptive to mating. During this stage, which lasts approximately one to two weeks, your cat may display increased vocalization, restlessness, and rubbing against objects or people. If mating occurs during this time, your cat may become pregnant.

Second Stage: Pregnancy

Once fertilization occurs, your cat enters the second stage of pregnancy, which lasts around 63 to 65 days on average. During this time, the fertilized eggs develop into embryos, and your cat's body undergoes significant changes to support the growing fetuses.

Third Stage: Labor and Birth

The final stage of cat pregnancy is labor and birth, where your cat gives birth to her kittens. This stage typically lasts between 12 to 24 hours but can vary depending on the number of kittens and other factors.

Frequently Asked Questions

Cat pregnancy typically lasts around 63 to 65 days on average. However, it can vary slightly depending on factors such as the individual cat's health and the number of kittens in the litter.

It's best to start preparing for your cat's pregnancy as soon as you suspect she may be pregnant or if you're planning to breed her. This includes ensuring she has a balanced diet, scheduling veterinary check-ups, and creating a comfortable nesting area.

Pregnant cats have increased nutritional needs, so it's essential to feed them a high-quality diet formulated for pregnant or nursing cats. Look for cat food labeled as "complete and balanced" for all life stages, and consider consulting your veterinarian for specific dietary recommendations.

Watch for signs of distress or unusual behavior in your pregnant cat, such as decreased appetite, lethargy, vomiting, diarrhea, or difficulty breathing. If you notice any concerning symptoms, contact your veterinarian promptly for evaluation and treatment.