4 Months

17 Weeks

16 Weeks

15 Weeks

14 Weeks

13 Weeks

11 Weeks ~ 1.22kg

10 Weeks ~ 1.13kg

9 Weeks ~ 907g

8 Weeks ~ 826g

7 Weeks ~ 765g

6 Weeks ~ 673g

5 Weeks ~ 585g

4 Weeks ~ 482g

3 Weeks ~ 397g

2 Weeks ~ 305g

1 Week ~ 191g

Newborn ~ 120g