Cat Gestation Calculator
Expecting kittens? Use our Cat Gestation Calculator to estimate your cat's due date and prepare for a healthy pregnancy and delivery.
Understanding Cat Gestation and Pregnancy
Cats are remarkably fertile animals, and understanding the feline pregnancy process is key to helping your cat have a healthy pregnancy and a safe delivery. The average cat gestation period is approximately 63 to 65 days, although it can range from 58 to 72 days depending on the individual cat and circumstances.
Cat Gestation Timeline
| Week | Development Milestones |
|---|---|
| Week 1 | Fertilization occurs; zygotes implant in the uterus. |
| Week 2-3 | Embryos develop; hormonal changes begin; nipples may enlarge and pinken. |
| Week 4 | Vet may detect pregnancy via palpation or ultrasound; appetite may increase. |
| Week 5-6 | Fetal growth accelerates; abdomen becomes noticeably larger; behavior changes may occur. |
| Week 7-8 | Mother prepares for nesting; kittens are fully formed and moving inside the womb. |
| Week 9 | Labor approaches; cat may become restless; kittens are ready to be born. |
Signs of Cat Pregnancy
- Increased appetite
- Weight gain
- Pink and enlarged nipples (called “pinking up”)
- Increased affection or changes in behavior
- Visible abdominal enlargement
- Nesting behavior in later stages
Preparing for Kitten Birth
As your cat approaches her due date, you should prepare a safe and comfortable birthing area:
- Provide a quiet, warm, and private location.
- Use a large box or kittening bed lined with clean towels.
- Ensure easy access for your cat but keep other pets away.
- Have clean towels and gloves ready for emergencies.
- Keep your veterinarian's contact information on hand in case of complications.
Stages of Labor in Cats
Cats usually experience three stages of labor:
- Stage 1: Restlessness, nesting, decreased appetite, occasional vocalizing (can last 12-24 hours).
- Stage 2: Active contractions and kitten delivery (5-60 minutes per kitten).
- Stage 3: Expulsion of placenta (usually follows each kitten).
Common Questions About Cat Gestation
How long is a cat pregnant?
The average cat gestation period is 63 to 65 days, but it can vary from 58 to 72 days.
When can a vet confirm pregnancy?
A veterinarian can usually confirm pregnancy via palpation around day 20 or with an ultrasound around day 21-25.
How many kittens can a cat have?
The average litter size is 4-6 kittens, but this can vary widely based on the cat's age and breed.
How can I tell if my cat is about to give birth?
Signs include restlessness, nesting behavior, loss of appetite, and possibly milk production.
When should I call the vet during labor?
Contact your vet if your cat strains for more than 1 hour without delivering a kitten, or if more than 2 hours pass between kittens.
Using This Calculator
- Enter the estimated mating date.
- Click "Calculate" to estimate your cat's due date.
- Monitor your cat for pregnancy and prepare a safe nesting area.
- Contact your vet with any concerns during the pregnancy or birth.