Table 4. Smoothed 3^rd, 5^th, 10^th, 25^th, 50^th (median), 75^th, 90^th, 95^th, and 97^th percentile birth weight (g) for 22–42 weeks' gestation for all female infants.

GP	No.	3rdPercentile	5thPercentile	10thPercentile	25thPercentile	50thPercentile	75thPercentile	90thPercentile	95thPercentile	97thPercentile
22	62	349	361	381	419	467	523	582	622	650
23	123	409	425	452	500	563	635	710	760	795
24	240	467	488	521	583	661	750	841	901	943
25	328	523	549	592	668	764	871	978	1,047	1,095
26	379	582	614	667	761	875	1,000	1,122	1,200	1,252
27	493	646	686	751	864	998	1,140	1,275	1,359	1,415
28	674	720	770	848	981	1,134	1,291	1,437	1,525	1,583
29	643	810	869	961	1,114	1,285	1,457	1,612	1,705	1,766
30	892	919	987	1,090	1,261	1,449	1,635	1,801	1,900	1,964
31	1,013	1,051	1,125	1,238	1,423	1,627	1,828	2,008	2,114	2,183
32	1,561	1,204	1,281	1,400	1,598	1,817	2,035	2,231	2,348	2,423
33	2,198	1,371	1,451	1,575	1,784	2,018	2,254	2,469	2,598	2,682
34	4,213	1,553	1,635	1,762	1,979	2,226	2,479	2,711	2,851	2,943
35	7,659	1,746	1,828	1,958	2,181	2,437	2,702	2,948	3,098	3,197
36	18,226	1,943	2,026	2,156	2,381	2,642	2,914	3,167	3,323	3,426
37	56,714	2,137	2,220	2,350	2,574	2,835	3,108	3,363	3,520	3,624
38	163,877	2,319	2,400	2,528	2,749	3,006	3,274	3,526	3,681	3,784
39	197,141	2,484	2,563	2,688	2,904	3,155	3,417	3,662	3,813	3,913
40	184,907	2,627	2,705	2,827	3,038	3,282	3,536	3,774	3,921	4,017
41	47,541	2,756	2,832	2,951	3,157	3,394	3,641	3,871	4,012	4,106
42	1,888	2,878	2,952	3,068	3,269	3,499	3,738	3,961	4,097	4,188

GP, gestational period.