Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2003-2005
Clackamas County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 11,901 249 15 24 69 141 218 330 11,103
Birthweight 1499 Gr. or Less Total 109 3 0 0 1 2 2 5 99
<28 Weeks 38 3 0 0 1 2 1 2 32
28-36 Weeks 63 0 0 0 0 0 1 3 59
37-41 Weeks 6 0 0 0 0 0 0 0 6
42+ Weeks 1 0 0 0 0 0 0 0 1
Unknown 1 0 0 0 0 0 0 0 1
1500-2499 Grams Total 559 13 0 0 4 9 9 18 519
<28 Weeks 1 0 0 0 0 0 0 0 1
28-36 Weeks 338 8 0 0 2 6 5 8 317
37-41 Weeks 204 3 0 0 1 2 4 9 188
42+ Weeks 5 0 0 0 0 0 0 1 4
Unknown 11 2 0 0 1 1 0 0 9
2500+ Grams Total 11,233 233 15 24 64 130 207 307 10,485
<28 Weeks 3 0 0 0 0 0 0 0 3
28-36 Weeks 505 14 0 1 4 9 5 12 474
37-41 Weeks 9,462 184 12 20 50 102 163 245 8,869
42+ Weeks 918 22 0 1 8 13 25 39 832
Unknown 345 13 3 2 2 6 14 11 307
5 Minute Apgar 0-3 34 3 0 0 0 3 0 1 30
4-6 105 2 0 0 1 1 1 2 100
7-10 11,684 244 15 24 68 137 217 322 10,900
Not Stated 78 0 0 0 0 0 0 5 73
Tobacco Used Yes 1,262 49 3 10 12 24 48 74 1,091
No 10,536 197 12 13 57 115 168 253 9,917
Unknown 103 3 0 1 0 2 2 3 95
Alcohol Used Yes 256 4 0 0 2 2 5 11 236
No 11,494 239 15 22 66 136 209 316 10,729
Unknown 151 6 0 2 1 3 4 3 138
Birth Order 1st 4,617 236 15 24 67 130 187 251 3,942
2nd 4,092 13 0 0 2 11 30 61 3,988
3rd 1,992 0 0 0 0 0 1 14 1,977
4th 746 0 0 0 0 0 0 3 743
5+ 447 0 0 0 0 0 0 0 447
Unknown 7 0 0 0 0 0 0 1 6
Prenatal Care No Care 164 2 0 1 1 0 4 13 145
Little or Late 396 23 2 4 4 13 21 19 333
Adequate 11,321 224 13 19 64 128 192 298 10,606
Unknown 20 0 0 0 0 0 1 0 19