The normal weight of a healthy newborn kitten is between three and four ounces. Kittens typically gain weight quickly after birth and should double their birth weight within the first week.
Newborn kittens usually weigh about 3.5 ounces, depending on their breed and the litter's size. A healthy kitten should gain at least 10 grams per day. If you don't see growth in their body size, this is often a sign of illness.
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