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



Total 10-17 <15 15 16 17 18 19 20+
Total Births 3,567 92 4 8 27 53 97 161 3,217
Birthweight 1499 Gr. or Less Total 35 1 0 0 1 0 1 2 31
<28 Weeks 13 1 0 0 1 0 1 0 11
28-36 Weeks 20 0 0 0 0 0 0 2 18
37-41 Weeks 1 0 0 0 0 0 0 0 1
Unknown 1 0 0 0 0 0 0 0 1
1500-2499 Grams Total 161 3 0 0 1 2 3 11 144
<28 Weeks 1 0 0 0 0 0 0 0 1
28-36 Weeks 100 2 0 0 0 2 0 6 92
37-41 Weeks 54 1 0 0 1 0 2 4 47
42+ Weeks 2 0 0 0 0 0 0 0 2
Unknown 4 0 0 0 0 0 1 1 2
2500+ Grams Total 3,371 88 4 8 25 51 93 148 3,042
28-36 Weeks 144 2 0 1 1 0 6 6 130
37-41 Weeks 2,709 69 4 7 15 43 65 109 2,466
42+ Weeks 297 12 0 0 5 7 13 16 256
Unknown 221 5 0 0 4 1 9 17 190
5 Minute Apgar 0-3 19 0 0 0 0 0 1 2 16
4-6 35 1 0 0 1 0 1 2 31
7-10 3,509 91 4 8 26 53 95 157 3,166
Not Stated 4 0 0 0 0 0 0 0 4
Tobacco Used Yes 439 14 0 2 5 7 23 42 360
No 3,098 78 4 6 22 46 72 117 2,831
Unknown 30 0 0 0 0 0 2 2 26
Birth Order 1st 1,383 91 4 8 27 52 81 125 1,086
2nd 1,077 1 0 0 0 1 14 31 1,031
3rd 651 0 0 0 0 0 2 4 645
4th 278 0 0 0 0 0 0 1 277
5+ 178 0 0 0 0 0 0 0 178
Prenatal Care No Care 37 0 0 0 0 0 1 1 35
Little or Late 122 9 0 3 4 2 5 12 96
Adequate 3,400 83 4 5 23 51 91 147 3,079
Unknown 8 0 0 0 0 0 0 1 7