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



Total 10-17 <15 15 16 17 18 19 20+
Total Births 11,834 242 12 21 72 137 221 343 11,028
Birthweight 1499 Gr. or Less Total 103 2 0 0 1 1 4 2 95
<28 Weeks 39 2 0 0 1 1 1 1 35
28-36 Weeks 49 0 0 0 0 0 3 0 46
37-41 Weeks 3 0 0 0 0 0 0 0 3
Unknown 12 0 0 0 0 0 0 1 11
1500-2499 Grams Total 569 11 0 0 3 8 11 14 533
<28 Weeks 1 0 0 0 0 0 0 0 1
28-36 Weeks 319 5 0 0 1 4 6 6 302
37-41 Weeks 199 4 0 0 1 3 3 6 186
42+ Weeks 6 0 0 0 0 0 0 1 5
Unknown 44 2 0 0 1 1 2 1 39
2500+ Grams Total 11,162 229 12 21 68 128 206 327 10,400
<28 Weeks 5 1 0 1 0 0 0 0 4
28-36 Weeks 495 11 0 2 5 4 6 14 464
37-41 Weeks 8,996 170 9 11 51 99 154 247 8,425
42+ Weeks 931 19 0 1 5 13 24 36 852
Unknown 735 28 3 6 7 12 22 30 655
5 Minute Apgar 0-3 38 2 0 0 0 2 0 2 34
4-6 105 1 0 0 1 0 1 1 102
7-10 11,618 238 12 21 71 134 220 336 10,824
Not Stated 73 1 0 0 0 1 0 4 68
Tobacco Used Yes 1,252 52 2 8 13 29 45 69 1,086
No 10,503 186 10 12 58 106 174 271 9,872
Unknown 79 4 0 1 1 2 2 3 70
Birth Order 1st 4,720 223 12 21 68 122 199 269 4,029
2nd 3,976 18 0 0 4 14 21 55 3,882
3rd 1,973 1 0 0 0 1 1 15 1,956
4th 723 0 0 0 0 0 0 3 720
5+ 435 0 0 0 0 0 0 0 435
Unknown 7 0 0 0 0 0 0 1 6
Prenatal Care No Care 138 5 0 1 3 1 2 10 121
Little or Late 400 27 2 5 4 16 18 21 334
Adequate 11,271 210 10 15 65 120 200 312 10,549
Unknown 25 0 0 0 0 0 1 0 24