Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2004-2006
Polk County



Total 10-17 15 16 17 18 19 20+
Total Births 2,463 73 10 29 34 59 84 2,247
Birthweight 1499 Gr. or Less Total 24 0 0 0 0 1 1 22
<28 Weeks 8 0 0 0 0 1 1 6
28-36 Weeks 12 0 0 0 0 0 0 12
Unknown 4 0 0 0 0 0 0 4
1500-2499 Grams Total 106 3 0 1 2 7 4 92
<28 Weeks 2 0 0 0 0 0 0 2
28-36 Weeks 71 2 0 0 2 4 3 62
37-41 Weeks 29 1 0 1 0 3 1 24
42+ Weeks 1 0 0 0 0 0 0 1
Unknown 3 0 0 0 0 0 0 3
2500+ Grams Total 2,333 70 10 28 32 51 79 2,133
<28 Weeks 1 0 0 0 0 0 0 1
28-36 Weeks 105 3 1 2 0 4 3 95
37-41 Weeks 1,823 50 7 21 22 33 58 1,682
42+ Weeks 246 9 2 1 6 11 11 215
Unknown 158 8 0 4 4 3 7 140
5 Minute Apgar 0-3 7 0 0 0 0 0 1 6
4-6 25 0 0 0 0 0 1 24
7-10 2,424 73 10 29 34 59 82 2,210
Not Stated 7 0 0 0 0 0 0 7
Tobacco Used Yes 321 7 0 1 6 12 18 284
No 2,127 66 10 28 28 47 64 1,950
Unknown 15 0 0 0 0 0 2 13
Birth Order 1st 901 71 10 27 34 47 60 723
2nd 752 2 0 2 0 10 18 722
3rd 467 0 0 0 0 2 6 459
4th 209 0 0 0 0 0 0 209
5+ 134 0 0 0 0 0 0 134
Prenatal Care No Care 18 0 0 0 0 0 0 18
Little or Late 139 5 1 2 2 8 8 118
Adequate 2,300 67 9 27 31 51 76 2,106
Unknown 6 1 0 0 1 0 0 5