Table 3.

Smoothed percentiles for birthweight (grams) of later born male and female.

GA (weeks)	Later born male babies smoothed percentiles											Later born female babies smoothed percentiles
	N	C3	C10	C25	C50	C75	C90	C97	L	M	S	N	C3	C10	C25	C50	C75	C90	C97	L	M	S
25	52	625	712	787	865	947	1035	1153	−0.36	865	211	17	619	685	747	814	885	959	1050	−0.20	814	146
26	170	722	814	892	974	1060	1153	1276	−0.38	974	316	79	688	769	843	923	1008	1098	1211	−0.33	923	499
27	434	817	919	1008	1100	1197	1303	1442	−0.33	1100	252	230	760	858	947	1042	1143	1252	1393	−0.23	1042	630
28	966	898	1019	1124	1233	1349	1475	1642	−0.35	1233	339	592	835	953	1058	1168	1288	1419	1594	−0.25	1168	394
29	1258	971	1113	1236	1365	1502	1650	1849	−0.30	1365	258	821	916	1054	1176	1304	1443	1598	1814	−0.23	1304	416
30	1956	1062	1226	1368	1517	1675	1847	2074	−0.25	1517	287	1222	1003	1165	1305	1452	1613	1795	2054	−0.23	1452	336
31	2816	1187	1370	1529	1696	1871	2059	2305	0.27	1696	288	1722	1105	1290	1450	1618	1800	2006	2297	0.21	1618	347
32	4155	1335	1535	1708	1888	2077	2278	2535	−0.23	1888	330	2732	1234	1438	1615	1802	2001	2221	2518	−0.12	1802	354
33	6384	1483	1701	1889	2084	2287	2500	2769	−0.18	2084	343	4153	1391	1607	1796	1995	2205	2428	2716	−0.33	1995	336
34	11629	1664	1894	2094	2302	2516	2739	3016	0.08	2302	353	7976	1575	1800	1999	2208	2426	2652	2931	0.11	2208	369
35	20849	1859	2096	2306	2524	2750	2981	3262	0.22	2524	380	14353	1774	2007	2214	2432	2659	2890	3169	0.16	2432	373
36	48629	2081	2317	2531	2759	2995	3234	3517	0.28	2759	383	33160	1991	2221	2430	2653	2885	3121	3404	0.36	2653	385
37	180260	2336	2557	2767	2996	3236	3476	3753	0.36	2996	376	122420	2231	2447	2651	2875	3110	3348	3627	0.27	2875	373
38	469376	2521	2730	2934	3163	3404	3643	3914	0.35	3163	371	351150	2412	2614	2812	3033	3269	3504	3772	0.25	3033	362
39	627766	2622	2831	3039	3273	3520	3763	4033	0.25	3273	376	544341	2519	2716	2914	3139	3379	3616	3883	0.24	3139	364
40	526358	2661	2878	3095	3341	3600	3852	4128	0.15	3341	392	501257	2568	2772	2978	3213	3461	3706	3978	0.09	3213	376
41	134437	2738	2962	3188	3443	3709	3968	4249	0.34	3443	403	139005	2633	2847	3063	3308	3566	3818	4094	0.24	3308	389
42	16498	2714	2949	3187	3457	3742	4018	4319	−0.25	3457	424	16588	2617	2843	3070	3327	3599	3865	4160	−0.17	3327	415