Birth
|
2.5 oz.
|
2.75 oz.
|
3 oz.
|
3.5 oz.
|
4 oz.
|
4.25 oz.
|
4.5 oz.
|
5 oz.
|
5.5 oz.
|
1 week
|
4.5
|
5
|
5.5
|
6
|
7
|
7.5
|
8
|
9
|
9.5
|
2 weeks
|
6
|
6.5
|
7
|
8.5
|
10
|
11
|
12
|
13
|
13.5
|
3 weeks
|
7
|
8
|
8.5
|
10.5
|
13
|
14
|
15
|
16
|
17.5
|
4 weeks
|
8
|
9.5
|
10
|
12
|
14.5
|
16
|
18
|
20
|
21
|
5 weeks
|
9
|
11
|
11.5
|
13.5
|
16
|
18
|
20
|
22
|
24
|
6 weeks
|
10
|
12.5
|
13
|
15
|
17.5
|
20
|
23
|
24
|
27
|
7 weeks
|
11
|
12
|
14.5
|
17
|
19
|
22
|
25
|
27
|
30
|
8 weeks
|
12
|
13.5
|
16
|
19
|
21.5
|
24
|
27
|
29
|
32
|
9 weeks
|
13
|
15
|
18
|
22
|
23
|
26
|
30
|
33
|
35
|
10 weeks
|
14
|
16
|
20
|
24
|
25
|
28
|
33
|
36
|
38
|
11 weeks
|
15
|
17
|
21
|
26
|
28
|
31
|
36
|
39
|
42
|
12 weeks
|
16
|
18
|
22
|
28
|
32
|
35
|
40
|
43
|
45
|
13 weeks
|
17
|
20
|
24
|
30
|
34
|
36
|
42
|
45
|
48
|
14 weeks
|
18
|
22
|
26
|
32
|
36
|
39
|
44
|
47
|
51
|
15 weeks
|
19
|
23
|
28
|
34
|
38
|
42
|
46
|
51
|
55
|
16 weeks
|
20
|
25
|
30
|
36
|
40
|
44
|
49
|
54
|
59
|
17 weeks
|
21
|
26
|
31
|
38
|
42
|
46
|
51
|
57
|
62
|
18 weeks
|
22
|
28
|
33
|
39
|
44
|
48
|
54
|
60
|
65
|
19 weeks
|
23
|
29
|
34
|
40
|
45
|
50
|
56
|
62
|
67
|
20 weeks
|
24
|
30
|
35
|
41
|
46
|
52
|
58
|
64
|
70
|
21 weeks
|
25
|
31
|
36
|
42
|
48
|
54
|
60
|
66
|
72
|
22 weeks
|
25
|
32
|
37
|
43
|
48
|
56
|
62
|
68
|
74
|
25 weeks
|
27
|
34
|
40
|
46
|
52
|
59
|
66
|
72
|
79
|
26 weeks
|
27
|
34
|
40
|
47
|
53
|
60
|
67
|
73
|
80
|
18 months
|
2 lbs
|
2.5 lbs
|
3 lbs
|
3.5 lbs
|
4 lbs
|
4.5 lbs
|
5 lbs
|
5.5 lbs
|
6 lbs
|
When in doubt
use 3x weight at 8
weeks or 2x
weight at 12 weeks
|
|
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