28
Weeks
Info
taken from BabyCenter.com and
“The Pregnancy Journal” by
A. Christine Harris, Ph.D.
We’ve
had some inquiries about a baby registry.
We are registered at Babies
“R” Us.
Note that, for the purposes of this chart, babies are
measured from the crown (or top) of the head to the rump (or bottom) until
about 20 weeks. After that, they're measured from head to toe.
|
Gestational
age |
Length
(US) |
Weight
(US) |
Length
(cm) |
Mass (g) |
|
20
weeks |
10.08
inches |
10.58
ounces |
25.6 cm |
300 grams |
|
21
weeks |
10.51
inches |
12.70
ounces |
26.7 cm |
360 grams |
|
22
weeks |
10.94
inches |
15.17
ounces |
27.8 cm |
430 grams |
|
23
weeks |
11.38
inches |
1.10
pound |
28.9 cm |
501 grams |
|
24
weeks |
11.81
inches |
1.32
pound |
30 cm |
600 grams |
|
25
weeks |
13.62
inches |
1.46
pound |
34.6 cm |
660 grams |
|
26
weeks |
14.02
inches |
1.68
pound |
35.6 cm |
760 grams |
|
27
weeks |
14.41
inches |
1.93
pound |
36.6 cm |
875 grams |
|
28 weeks |
14.80 inches |
2.22 pounds |
37.6 cm |
1005 grams |
|
29
weeks |
15.2
inches |
2.54
pounds |
38.6 cm |
1153
grams |
|
30
weeks |
15.71
inches |
2.91
pounds |
39.9 cm |
1319
grams |
|
31
weeks |
16.18
inches |
3.31
pounds |
41.1 cm |
1502
grams |
|
32
weeks |
16.69
inches |
3.75
pounds |
42.4 cm |
1702
grams |
|
33
weeks |
17.20
inches |
4.23
pounds |
43.7 cm |
1918
grams |
|
34
weeks |
17.72
inches |
4.73
pounds |
45 cm |
2146
grams |
|
35
weeks |
18.19
inches |
5.25
pounds |
46.2 cm |
2383
grams |
|
36
weeks |
18.66
inches |
5.78
pounds |
47.4 cm |
2622
grams |
|
37
weeks |
19.13
inches |
6.30
pounds |
48.6 cm |
2859
grams |
|
38
weeks |
19.61
inches |
6.80
pounds |
49.8 cm |
3083
grams |
|
39
weeks |
19.96
inches |
7.25
pounds |
50.7 cm |
3288
grams |
|
40
weeks |
20.16
inches |
7.63
pounds |
51.2 cm |
3462
grams |
|
41
weeks |
20.35
inches |
7.93
pounds |
51.7 cm |
3597
grams |
|
42
weeks |
20.28
inches |
8.12
pounds |
51.5 cm |
3685
grams |
|
43
weeks |
20.20
inches |
8.19
pounds |
51.3 cm |
3717
grams |
