Cat Pregnancy Calculator: Estimate Your Cat’s Due Date

Use our calculator below to estimate when your pregnant cat is likely to give birth.

Understanding Cat Pregnancy

Cat pregnancy, also known as gestation, is a fascinating and relatively short process that typically lasts around 63–65 days, though it can range from 58 to 72 days. Recognizing the signs of pregnancy and knowing how to properly care for a pregnant cat can help ensure a safe delivery and healthy kittens. Below is an in-depth guide to everything you need to know about feline pregnancy.

Signs of Pregnancy in Cats

  • Pinked-up nipples: Nipples become enlarged and rosier, usually around 2–3 weeks in.
  • Increased appetite: Pregnant cats may eat more as their energy needs rise.
  • Weight gain: Gradual weight gain over the weeks, especially in the abdomen.
  • Behavioral changes: Cats may become more affectionate or, alternatively, more reclusive.
  • Vomiting: Mild morning sickness can occur early in pregnancy.

Feline Gestation Timeline

Week Development
Week 1Fertilization occurs; no visible signs yet.
Week 2Embryos implant in uterus; mild appetite change possible.
Week 3Nipples begin to pink up; hormone levels rise.
Week 4Veterinarian can confirm pregnancy via palpation or ultrasound.
Week 5Weight gain becomes more noticeable; fetuses grow rapidly.
Week 6Cat starts seeking quiet nesting areas; increased hunger.
Week 7Abdomen enlarges; kittens' movement may be felt.
Week 8Visible milk production possible; nesting behavior increases.
Week 9Delivery imminent; cat may become restless or vocal.

How to Care for a Pregnant Cat

Pregnant cats need attentive but gentle care. Here are some best practices:

  • Feed a high-quality diet, ideally kitten food for added nutrients.
  • Keep her indoors to avoid stress or exposure to diseases.
  • Provide a quiet, warm, and clean nesting area in advance of labor.
  • Visit the vet for checkups and discuss parasite prevention.
  • Minimize stress and avoid unnecessary handling, especially near due date.

Preparing for Birth

As the due date approaches, your cat may begin nesting, pacing, or showing signs of labor. A normal feline labor lasts 4–16 hours. Make sure the birthing space is accessible, safe, and away from household noise or other pets. You should keep the following nearby:

  • Clean towels and blankets
  • Gloves and scissors (in case of emergency)
  • Heating pad or warm water bottle (for newborns)
  • Veterinary contact number

When to Call the Vet

Most cats deliver kittens without complications, but call your vet if:

  • Labor lasts more than 24 hours with no kittens
  • More than 2 hours pass between kittens
  • There’s foul-smelling discharge
  • The cat appears in distress, pain, or fever

Postpartum Care

After birth, allow the mother to bond with her kittens undisturbed. Ensure she’s eating well, has access to water, and that the kittens are nursing. Monitor for signs of mastitis or infection. Avoid handling the kittens too much for the first few days.

Frequently Asked Questions

How long is a cat pregnant?

The average feline gestation period is 63–65 days, or about 9 weeks. However, this can vary slightly by breed and individual cat.

How many kittens can a cat have?

Litters range from 1 to 8 kittens, with an average of 4–6. First-time mothers often have smaller litters.

Can a cat get pregnant again while nursing?

Yes, a cat can go into heat and become pregnant again even while nursing. This is one reason spaying is highly recommended.

When should I switch to kitten food?

Start feeding kitten food as soon as pregnancy is suspected or confirmed. It provides higher protein, fat, and calories for both mother and kittens.

What if I don’t know the exact mating date?

If you're unsure, estimate based on physical changes, vet confirmation, or ultrasound measurements. Your vet can help provide a rough gestational age.

Responsible Breeding and Spaying

While kittens are adorable, unplanned pregnancies contribute to cat overpopulation. Spaying not only prevents pregnancy but also reduces the risk of certain cancers and behavioral issues. If you’re not planning to breed your cat responsibly, talk to your vet about the right time for spaying.

On the other hand, if you are a breeder, understanding the feline reproductive cycle, selecting compatible mates, and tracking health records are essential parts of ethical breeding. Always ensure the mother cat is healthy, vaccinated, and emotionally ready for motherhood.