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



Total 10-17 <15 15 16 17 18 19 20+
Total Births 12,373 285 12 21 98 154 274 440 11,373
Birthweight 1499 Gr. or Less Total 106 4 1 0 2 1 3 4 95
<28 Weeks 41 0 0 0 0 0 1 2 38
28-36 Weeks 48 2 1 0 1 0 2 1 43
37-41 Weeks 5 1 0 0 1 0 0 0 4
Unknown 12 1 0 0 0 1 0 1 10
1500-2499 Grams Total 571 14 0 1 4 9 12 26 519
28-36 Weeks 311 8 0 1 2 5 7 12 284
37-41 Weeks 205 4 0 0 1 3 1 11 189
42+ Weeks 13 1 0 0 0 1 2 0 10
Unknown 42 1 0 0 1 0 2 3 36
2500+ Grams Total 11,695 267 11 20 92 144 259 410 10,759
<28 Weeks 3 0 0 0 0 0 0 0 3
28-36 Weeks 434 17 2 2 2 11 9 18 390
37-41 Weeks 9,268 192 8 16 67 101 200 309 8,567
42+ Weeks 1,232 42 0 1 19 22 30 58 1,102
Unknown 758 16 1 1 4 10 20 25 697
5 Minute Apgar 0-3 42 0 0 0 0 0 0 1 41
4-6 132 3 0 2 1 0 7 8 114
7-10 12,100 281 12 19 97 153 265 425 11,129
Not Stated 99 1 0 0 0 1 2 6 89
Tobacco Used Yes 1,527 51 2 3 17 29 82 99 1,295
No 10,801 231 10 18 79 124 192 338 10,040
Unknown 45 3 0 0 2 1 0 3 38
Alcohol Used Yes 232 6 1 1 1 3 1 8 217
No 12,062 277 11 20 95 151 273 428 11,084
Unknown 79 2 0 0 2 0 0 4 72
Birth Order 1st 4,883 261 12 19 90 140 231 331 4,059
2nd 4,186 20 0 2 8 10 41 92 4,033
3rd 2,051 4 0 0 0 4 2 15 2,030
4th 763 0 0 0 0 0 0 2 761
5+ 484 0 0 0 0 0 0 0 484
Unknown 6 0 0 0 0 0 0 0 6
Prenatal Care No Care 161 6 0 1 3 2 3 11 140
Little or Late 435 17 3 1 7 6 24 29 365
Adequate 11,742 261 9 19 88 145 246 399 10,836
Unknown 35 1 0 0 0 1 1 1 32