Pink at birth -  15.4 oz
2 weeks - 44.0 oz (2.75lbs) 
3 weeks - 68.2 oz (4.26lbs) 
8 weeks 
 Lavender at birth - 13.7 oz
 2 weeks - 38.5 oz (2.40lbs)
 3 weeks - 66.5 oz (4.15lbs)
 8 weeks
 Blue at birth - 15.5 0z
 2 weeks - 50.9 oz (3.18lbs)
3 weeks - 80.1 oz (5.00lbs)
 8 weeks
Red at birth -  15.3 oz
2 weeks - 40.8 oz (2.55lbs) 
3 weeks - 71.6 oz (4.47lbs)    
4 weeks 
Orange at birth - 17.7 oz 
2 weeks - 46.2 oz (2.88lbs) 
3 weeks - 68.2 oz (4.26lbs)
 8 weeks
Purple at birth - 18.0 oz 
 2 weeks - 52.6 oz (3.28lbs)
3 weeks - 83.7 oz (5.20lbs) 
8 weeks