Table D4 - Birth Weight by Calculated Gestational Age

Natality Table D4. Birth Weight in Grams by Calculated Gestational Age¹ for Residents, 2007

Birth Weight	Total	Preterm	Term	Postterm	Unknown
in Grams		(<37 wks)	(37-41 wks)	(42+ wks)
State Total	88,921	9,190	73,589	5,528	614
Under 1,000	459	432	18	3	6
1,000 - 1,499	506	462	29	2	13
1,500 - 1,999	1,062	857	140	14	51
2,000 - 2,499	3,598	1,801	1,546	75	176
2,500 - 2,999	13,198	2,453	10,021	541	183
3,000 - 3,499	33,162	2,031	29,017	2,028	86
3,500 - 3,999	27,228	903	24,267	2,031	27
4,000 - 4,499	8,151	183	7,264	694	10
4,500 and over	1,439	32	1,264	140	3
Unknown	118	36	23	0	59
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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