Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2000-2002
Polk County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 2,273 85 4 3 29 49 78 109 2,001
Birthweight 1499 Gr. or Less Total 25 2 0 0 0 2 4 1 18
<28 Weeks 6 0 0 0 0 0 1 0 5
28-36 Weeks 17 2 0 0 0 2 3 1 11
37-41 Weeks 2 0 0 0 0 0 0 0 2
1500-2499 Grams Total 88 3 1 0 1 1 7 6 72
28-36 Weeks 49 3 1 0 1 1 5 3 38
37-41 Weeks 29 0 0 0 0 0 2 3 24
42+ Weeks 2 0 0 0 0 0 0 0 2
Unknown 8 0 0 0 0 0 0 0 8
2500+ Grams Total 2,160 80 3 3 28 46 67 102 1,911
28-36 Weeks 73 6 2 0 3 1 1 2 64
37-41 Weeks 1,709 57 0 3 19 35 49 78 1,525
42+ Weeks 234 10 0 0 3 7 14 19 191
Unknown 144 7 1 0 3 3 3 3 131
5 Minute Apgar 0-3 7 0 0 0 0 0 0 0 7
4-6 33 1 0 0 1 0 6 3 23
7-10 2,230 84 4 3 28 49 72 106 1,968
Not Stated 3 0 0 0 0 0 0 0 3
Tobacco Used Yes 290 20 0 1 4 15 20 19 231
No 1,949 64 3 2 25 34 58 85 1,742
Unknown 34 1 1 0 0 0 0 5 28
Alcohol Used Yes 26 2 0 0 1 1 1 0 23
No 2,209 82 3 3 28 48 77 104 1,946
Unknown 38 1 1 0 0 0 0 5 32
Birth Order 1st 852 83 4 3 28 48 65 75 629
2nd 766 2 0 0 1 1 12 33 719
3rd 387 0 0 0 0 0 1 1 385
4th 153 0 0 0 0 0 0 0 153
5+ 115 0 0 0 0 0 0 0 115
Prenatal Care No Care 22 1 0 0 0 1 1 3 17
Little or Late 74 5 1 0 3 1 4 2 63
Adequate 2,170 77 2 3 26 46 73 104 1,916
Unknown 7 2 1 0 0 1 0 0 5