Uma weighed 3.8 lbs. when we got her. Just weighed by the Vet. today and she is 4 lbs. even. Yoko was 1.2 lbs. at 4 wks. we got her at 6 wks. and 1 wk. later she weighed 2.2 lbs. Vet. weighed today and at 12 wks. she is 3 lbs. even. Un predictable little Boogers!