Table III.

Birth Weight (g) Centiles for Girls With Down Syndrome According to Gestational Age

Gestational age (weeks)	2nd	9th	25th	50th	75th	91st	98th
28	560	662	786	937	1121	1347	1625
29	668	790	934	1105	1309	1552	1842
30	786	928	1094	1288	1513	1776	2080
31	906	1072	1263	1482	1733	2019	2344
32	1024	1215	1432	1678	1955	2266	2614
33	1142	1357	1599	1869	2169	2500	2864
34	1273	1511	1774	2063	2378	2722	3094
35	1441	1697	1976	2277	2601	2948	3318
36	1641	1911	2199	2506	2830	3172	3532
37	1848	2128	2424	2733	3056	3393	3744
38	2042	2332	2634	2947	3270	3604	3948
39	2179	2473	2777	3088	3408	3734	4068
40	2247	2550	2859	3174	3494	3820	4150
41	2270	2584	2903	3225	3552	3881	4213
42	2262	2586	2912	3239	3568	3898	4229
43	2234	2564	2893	3221	3549	3876	4202