Table D8 - Calculated Gestational Age by Place of Residence

Natality Table D8. Calculated Gestational Age¹ by County of Residence, 2007

County	Total	Preterm	Term	Postterm	Unknown
		(<37 wks)	(37-41 wks)	(42+ wks)
State Total	88,921	9,190	73,589	5,528	614
Adams	417	55	345	17	0
Asotin	232	30	186	14	2
Benton	2,455	298	2,042	111	4
Chelan	1,016	92	847	72	5
Clallam	639	60	504	65	10
Clark	5,901	622	4,863	403	13
Columbia	32	3	28	1	0
Cowlitz	1,384	157	1,104	122	1
Douglas	544	63	433	48	0
Ferry	67	13	51	3	0
Franklin	1,584	179	1,321	75	9
Garfield	16	0	14	2	0
Grant	1,567	152	1,343	72	0
Grays Harbor	863	96	694	64	9
Island	983	81	837	63	2
Jefferson	210	16	169	25	0
King	24,899	2,423	20,802	1,399	275
Kitsap	2,894	272	2,511	106	5
Kittitas	388	32	324	31	1
Klickitat	227	17	189	19	2
Lewis	937	72	774	85	6
Lincoln	105	14	84	7	0
Mason	640	69	509	59	3
Okanogan	548	77	434	35	2
Pacific	217	19	178	18	2
Pend Oreille	133	19	100	14	0
Pierce	11,391	1,234	9,330	730	97
San Juan	118	3	100	12	3
Skagit	1,560	152	1,320	81	7
Skamania	126	12	106	6	2
Snohomish	9,570	1,001	7,896	596	77
Spokane	5,983	638	5,006	326	13
Stevens	486	50	393	42	1
Thurston	2,940	300	2,382	242	16
Wahkiakum	26	5	20	1	0
Walla Walla	664	90	525	45	4
Whatcom	2,210	191	1,851	153	15
Whitman	431	49	368	14	0
Yakima	4,518	534	3,606	350	28
¹See Appendix A for method used to calculate gestational age.

Source: Center for Health Statistics, Washington State Department of Health, 11/2008.

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