7 Months ~ 4.1kg

6 Months ~ 3.87kg

5 Months ~ 3.3kg

4 Months ~ 2.6kg

3 Months ~ 1.93kg

12 Weeks ~ 1.7kg

11 Weeks ~ 1.58kg

10 Weeks ~ 1.36kg

9 Weeks ~ 1.16kg

8 Weeks ~ 998g

7 Weeks ~ 737g

6 Weeks ~ 659g

5 Weeks ~ 517g

4 Weeks ~ 471g

3 Weeks ~ 415g

2 Weeks ~ 319g

1 Week ~ 237g

Newborn ~ 135g