Frequently Asked Questions - Answers
White Bear Animal Hospital
Otter Lake Animal Care Center

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Question 17:
Twice now I have brought in new kittens to be examined that I believed were female only to be told that they were both male.  How do I tell the difference between male and female kittens?

Answer:
Surprisingly enough, this is not all that unusual of a situation.  The problem in identifying male versus female kittens arises for a number of reasons, including: the small size of kittens' genitals, poorly developed scrotums in the young, immature males, and the failure to recognize that male cats have a prepuce and penis that point backwards rather than forwards as many people are used to seeing in dogs, horses, cows, etc.  Refer to the photographs below for the primary means of distinguishing between male and female cats and kittens.  In both photographs the cats are facing away from the viewer with their tails at the top of the picture and the rear legs at the bottom of the picture.



Male Cat


     The blue arrow points to the cat's anus, the green arrow indicates the cat's scrotum containing the left and right testicles, and the white arrow points to the circular prepuce which covers the penis.  The red line indicates the cat's anogenital distance, which is relatively greater in the male than in the female cat.

 



Female Cat


    
The blue arrow points to the cat's anus, and the white arrow points to the cat's elongated vulva.  The red line indicates the cat's anogenital distance, which is relatively smaller in the female than in the male cat.

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