Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2002-2004
Polk County



Total 10-17 15 16 17 18 19 20+
Total Births 2,371 81 7 26 48 65 99 2,126
Birthweight 1499 Gr. or Less Total 23 1 0 0 1 2 0 20
<28 Weeks 9 0 0 0 0 2 0 7
28-36 Weeks 13 1 0 0 1 0 0 12
Unknown 1 0 0 0 0 0 0 1
1500-2499 Grams Total 114 1 0 0 1 1 6 106
<28 Weeks 2 0 0 0 0 0 0 2
28-36 Weeks 73 1 0 0 1 0 3 69
37-41 Weeks 33 0 0 0 0 1 3 29
42+ Weeks 2 0 0 0 0 0 0 2
Unknown 4 0 0 0 0 0 0 4
2500+ Grams Total 2,234 79 7 26 46 62 93 2,000
<28 Weeks 1 0 0 0 0 0 0 1
28-36 Weeks 102 4 0 3 1 3 1 94
37-41 Weeks 1,883 58 5 18 35 50 79 1,696
42+ Weeks 187 14 2 4 8 9 12 152
Unknown 61 3 0 1 2 0 1 57
5 Minute Apgar 0-3 10 0 0 0 0 1 0 9
4-6 25 1 0 1 0 2 0 22
7-10 2,330 80 7 25 48 62 99 2,089
Not Stated 6 0 0 0 0 0 0 6
Tobacco Used Yes 273 12 1 3 8 13 18 230
No 2,083 67 6 22 39 52 79 1,885
Unknown 15 2 0 1 1 0 2 11
Alcohol Used Yes 11 0 0 0 0 0 0 11
No 2,341 79 7 25 47 65 97 2,100
Unknown 19 2 0 1 1 0 2 15
Birth Order 1st 871 78 7 25 46 56 78 659
2nd 764 3 0 1 2 9 20 732
3rd 438 0 0 0 0 0 1 437
4th 180 0 0 0 0 0 0 180
5+ 118 0 0 0 0 0 0 118
Prenatal Care No Care 23 1 0 0 1 0 2 20
Little or Late 119 5 1 3 1 5 6 103
Adequate 2,226 74 6 23 45 60 91 2,001
Unknown 3 1 0 0 1 0 0 2
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