Cat Pregnancy Stages The Cat Pregnancy Calendar

Cat Pregnancy Stages
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If your cat is expecting kittens, you'll want to know what to expect and when. Find out what will happen at different stages of your cat's pregnancy.

Is your cat pregnant? She'll be going through a lot of changes, and in a shorter amount of time than a person's nine month gestation period.

Refer to this timeline if your cat is pregnant and expecting kittens. You can anticipate the stages of your cat’s pregnancy and stay prepared as you get ready to welcome kittens into the world.


Days After Insemination

Pregnancy Symptoms or Tests Performed

Vet Visit Recommended


During the first two weeks of gestation, there are no reliable means to determine pregnancy

First prenatal checkup is recommended at 2 weeks; interim checkups scheduled in consultation with vet


Ultrasound may be used by your veterinarian to visualize embryos

Fetal heartbeat can be detected

Palpation by vet can determine presence of embryos


Relaxin assay kits can determine pregnancy at home

Some cats will develop morning sickness between 21 and 42 days

Nipples may be swollen and pink


Belly will be visibly swollen

Nipples will swell and turn pink by now if they haven’t already

Cat maybe become more affectionate with humans, less tolerant of other pets


Because of distention of uterus, cat may show signs of discomfort and restlessness

Pressure on bladder may cause soiling accidents


Restlessness will increase and cat may wander the home or property looking for birthing spot

Cat may howl or meow loudly due to discomfort

Final checkup before labor


Labor begins, comprising 3 stages

Stage 1: cat will find nesting spot to birth in, may howl, lick vulva, refuse to eat

Stage 2: contractions begin and kittens are pushed through birth canal

Stage 3: placenta is expelled

More on Caring for Your Cat

Introducing Cats to New Cats or Dogs
5 Common Cat Medications
6 Common Kitten Health Problems

This information is for informational purposes only and is not meant as a substitute for the professional advice of, or diagnosis or treatment by, your veterinarian with respect to your pet. It has, however, been verified by a licensed veterinarian for accuracy.

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