YOU SAID:
i have 12 kittens with diabetes
INTO JAPANESE
私は糖尿病の子猫を12匹飼っています
BACK INTO ENGLISH
I have 12 diabetic kittens.
INTO JAPANESE
私は12匹の糖尿病の子猫を飼っています。
BACK INTO ENGLISH
I have 12 diabetic kittens.
That didn't even make that much sense in English.