The under-tail check, explained simply
Sexing a young Exotic Shorthair uses the same anatomy as any kitten: two openings under the tail, judged by their spacing and shape. In a female, the lower opening sits almost directly beneath the anus and forms a short vertical slit, giving a pattern like an upside-down exclamation mark. In a male, the lower opening is round, sits a clear finger-width lower, and the space between the openings is filled by a small pouch where the testicles develop. Compare littermates side by side if you can, because the contrast between a brother and sister makes both patterns suddenly obvious.
Working through that thick Exotic coat
The Exotic Shorthair's plush, teddy-bear coat is the main obstacle to a clear view. Dense fur crowds the area and can make a male's round opening look like a slit or hide a female's spacing entirely. Part the fur gently with your fingertips, or time the check just after a bath or a gentle grooming session when the coat lies flatter and the skin shows through. Never trim or press hard to get a look. A kitten held upright by a helper, facing away from you with the tail raised, gives the steadiest view this breed's round, compact body allows.
Clues that do not work in this breed
Several popular guesses fail completely in a young Exotic Shorthair. Both sexes have the breed's round face, chubby cheeks, and stocky build as kittens, so a broad head does not mean male. Temperament guesses are equally unreliable; a bold kitten is not automatically a boy, nor a shy one a girl. Coat colour helps only in one narrow case: a tortoiseshell or calico Exotic is almost certainly female, but solid colours, tabbies, and pointed kittens give no signal at all. Weight differences between littermates at this age reflect feeding order more than sex.
When kittens are hardest to sex
Very young Exotic Shorthair kittens, under about six weeks, challenge even breeders. The openings are tiny, the male's testicles may not be palpable yet, and the whole area is barely the size of a fingernail. Waiting a fortnight and checking again is a legitimate method, not a failure; the spacing difference grows clearer each week. If a decision depends on the answer now, such as choosing which kitten from a litter to reserve, ask the breeder to have their vet confirm rather than relying on a photograph, which flattens exactly the depth cues the check depends on.
Confirming and recording the answer
The first vet visit is the natural moment to have your reading confirmed, since the vet sexes kittens daily and can check while weighing and examining yours. Once you know, record it where the kitten's other details live and use it consistently, because sex shapes later decisions from neutering timing to how you describe the kitten to a sitter. If you find yourself mid-check with a squirming Exotic and an uncertain view, that is exactly when asking KinsLe's Kinny helps: you can describe what you see and get guidance in the moment, and what you settle stays alongside your kitten's profile.