Ideal Weight for Infants

Posted on March 26, 2008 in latest news

1st Year

Month
Normal range (5th to 95th percentile) in kg.
 Median (50th percentile) in kg.
0
2.4 – 4.2
3.1
1
3.0 – 5.4
3.75
2
3.6 – 6.4
5.1
3
4.2 – 7.5
5.9
4
4.7 – 8.1
6.5
5
5.3 – 8.9
7.2
6
5.8 – 9.5
7.9
7
6.2 – 10.0
8.3
8
6.5 – 10.5
8.8
9
7.0 – 11.0
9.1
10
7.3 – 11.3
9.5
11
7.5 – 11.6
9.8
12
7.8 – 12.0
10.2

2nd Year

Month
Normal range (5th to 95th percentile) in kg.
Median (50th percentile) in kg.
12
7.8 – 12.0
10.2
14
8.2 – 12.5
10.6
16
8.5 – 13.0
11.0
18
8.9 – 13.4
11.5
20
9.2 – 13.8
11.8
22
9.5 – 14.2
12.2
24
9.8 – 14.7
12.5


3rd Year

Month
Normal range (5th to 95th percentile) in kg.
Median (50th percentile) in kg.
24
9.8 – 14.7
12.5
26
10.1 – 15.1
12.9
28
10.4 – 15.5
13.2
30
10.6 – 16.0
13.6
32
11.0 – 16.4
13.9
34
11.2 – 16.8
14.2
36
11.5 – 17.2
14.6

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