How to Determine the Sex of a Cat

February 23rd, 9:32am February 23rd, 9:32am

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Male and female cats and kittens look and act similarly, so it can be difficult to tell what gender they are just by watching their behavior. If you know what to look for, however, there are several key differences that will allow you to differentiate between the sexes. Newborn kittens will have immature genitalia, so wait until the cats are a few weeks old to determine their sex.

Determining the Sex by the Cat’s Physical Features

1.Approach the cat or kitten with care. To ascertain the sex of a cat or kitten, it’s necessary to pick the cat up. Some cats don’t like to be handled, so take a little time to let him or her get comfortable around you.

-Stand or crouch near the cat and let him or her approach you. When the cat comes close, let him or her sniff your hand.
-If the cat seems nervous, you may have to come back later or have a partner help you with the next step.

2.Lift the cat’s tail. Gently pick up the cat and cradle him or her in one arm. Use your free hand to lift the tail so you can examine the genital area.

-If the cat doesn’t mind being handled, this may be easiest to perform while sitting on a chair or the couch, so you don’t have to worry about dropping the cat.
-If you’re working with a partner, have the partner hold the cat securely in both arms while you lift the tail.
-If the cat avoids having his or her tail lifted, try scratching him or her in the area where the tail meets the back. Cats usually lift their tails when they are touched in this spot.

3.Look for genitalia characteristic of a male cat. The surest way to tell the difference between a male and female cat is by examining the cat’s physical features below its tail. Begin by looking for male genital features, which can be somewhat easier to spot.

-A male cat will have an anus, scrotum, and penis, while a female cat will have only an anus and urinary tract opening.
-In an entire (or tom) cat, the scrotum is covered with fur and contains two testicles, each typically ranging in size from the size of cherry pits to actual cherries. The scrotum sticks out from the male cat’s rear as a fairly obvious pair of bumps. If the cat has long fur, this can make the scrotum more difficult to see, in which case try dampening the fur with water to flatten it down and make the scrotum more obvious.
-A neutered male cat will still have a scrotum, though it will typically be smaller.
-The penis is sited below the scrotum, beneath the skin, and exits at a small furry mound between the cat’s thighs. You might imagine a male cat’s genitalia resembling a colon (:).
-A male cat’s anus and urinary tract opening are at least 1 inch (2.5 cm) apart, or 1⁄2 inch (1.3 cm) for kittens.

4.Look for genitalia characteristic of a female cat. If the cat’s genitalia doesn’t appear to match that of a male cat, begin looking for female traits.

-A female cat will have an anus and a urinary tract opening/vulva, with the vulva in the shape of a vertical slit. You can imagine a female cat’s genitalia as resembling a semi-colon (;).
-A female cat will have a shorter distance between anus and vulva, typically about 1⁄2 inch (1.3 cm) apart.