House report: Hillary Clinton was âjust wrongâ on Benghazi. John Hayward Follow @@Doc_0 | Wednesday Apr 24, 2013 4:37 PM.
Kittens typically reach a length and weight close to their full-grown size by 9 to 12 months of age. After the 1-year mark, most cats continue to grow at a much slower rate until at least 18 months of age. Large breeds, such as Maine coon cats, typically take even longer to grow to their full size. These cats may not be fully grown until they reach 2 to 4 years of age.
6 Month to 1 Year Old Kitten . Development. Welcome to the end of the kitten growth chart! Ungainly physique, not unlike 15-year old human teenagers. The kitten will not reach full size until 1-2 years old, or even a bit older if he is a large-breed cat. During adolescent growth, kittens may begin acting âmachoâ and may be less affectionate for awhile.