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Kitten Sexing Guide

Cat Breeding

Jun 01

How to Tell the Sex of Your Kittens

When your new kittens are born and mum and babies are settled down it is not unusual to want to know what sex the kittens are………in fact I would say sometimes that some people find it vitally important to know just what sex their new kittens are!

Your queen and the new babies could not care less though and as far as I know still do not come with little labels on so I thought it may be useful to put down my experiences on this page.

When comparing a male and female kitten together the differences are usually fairly obvious but imagine having a litter of boys or a full litter of girls!!!!

I find the best time to determine a kittens sex is either when they have just been born ‘still wet’ or when they are about 2 – 3 weeks old. I personally prefer to check them when they are born.

For the purposes of this article I have decided to use 3 week old kittens in the photographic examples in conjunction with diagrams to try and show the clear differences that can be seen in a small kittens genitals.

So how can you tell if a kitten is male or female?

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How to Determine the Sex of a Kitten

The easiest way to explain the difference is by saying that the distance between the anus and the urinary tract opening is much shorter in a female than in a male. Or to be blunt the holes are closer together in a girl than in a boy.

It can be very difficult to determine if a young kitten has testicles as they are very small so I find it easier to just look at the distance between the anus and the urinary tract opening (vulva or penis).

It is also noticeable that the opening for the female (vulva) is more elongated than the opening for the male. 

Quick Tip

You could also say that the females openings resemble an upside down exclamation mark (!) and the males openings resemble a colon (:).

Female Kitten Genitalia

Male Kitten Genitalia

Need More Help Sexing Kittens

I hope that my kitten sexing guide helped you determine the sex of your kittens. If you need any further help sexing your kittens then please feel free to contact me via the contact page, social media or by using the comments section below. If you can send me photos of your kittens sex organs as in the photos above then I should be able to let you know the sex of your kitten.

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About the Author

Ross writes extensively about cats and kittens and has been featured in magazines such as Your Cat and Our Cats and has also guest authored on newsletters for various cat organisations. He is also a guest speaker at cat seminars.

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