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Natality Table D8.  Calculated Gestational Age1 by County of Residence, 2006
County Total Preterm  Term        Postterm  Unknown
    (<37 wks) (37-41 wks) (42+ wks)  
State Total 86,845 9,190 71,274 5,540 841
Adams 386 52 316 18 0
Asotin 245 26 197 16 6
Benton 2,339 301 1,899 124 15
Chelan 982 99 815 66 2
Clallam 647 51 521 67 8
Clark 5,789 594 4,775 410 10
Columbia 45 1 41 3 0
Cowlitz 1,325 142 1,058 121 4
Douglas 543 50 456 36 1
Ferry 62 12 41 7 2
Franklin 1,535 193 1,218 115 9
Garfield 16 2 11 3 0
Grant 1,549 180 1,268 101 0
Grays Harbor 884 107 684 87 6
Island 933 87 744 90 12
Jefferson 221 19 181 21 0
King 24,244 2,375 20,137 1,377 355
Kitsap 3,040 283 2,616 118 23
Kittitas 375 27 326 21 1
Klickitat 212 35 162 13 2
Lewis 939 100 732 98 9
Lincoln 114 17 91 6 0
Mason 632 70 497 57 8
Okanogan 594 71 474 47 2
Pacific 196 21 155 20 0
Pend Oreille 142 27 107 8 0
Pierce 11,139 1,196 9,160 625 158
San Juan 85 11 68 5 1
Skagit 1,500 186 1,232 72 10
Skamania 110 12 91 7 0
Snohomish 9,070 895 7,465 584 126
Spokane 5,986 694 4,895 380 17
Stevens 485 50 396 35 4
Thurston 2,771 298 2,245 216 12
Wahkiakum 25 5 16 4 0
Walla Walla 705 66 566 68 5
Whatcom 2,209 196 1,856 144 13
Whitman 413 53 343 15 2
Yakima 4,358 586 3,419 335 18
1See Appendix A for method used to calculate gestational age.
Source:  Center for Health Statistics, Washington State Department of Health, 11/2007.

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Last Update: 11/27/2007 09:27 AM