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



Total 10-17 <15 15 16 17 18 19 20+
Total Births 22,778 436 16 55 144 221 355 575 21,408
Birthweight 1499 Gr. or Less Total 261 6 1 0 0 5 4 6 245
<28 Weeks 94 2 0 0 0 2 2 1 89
28-36 Weeks 156 2 1 0 0 1 2 5 147
37-41 Weeks 8 1 0 0 0 1 0 0 7
Unknown 3 1 0 0 0 1 0 0 2
1500-2499 Grams Total 1,116 25 2 2 11 10 16 20 1,053
<28 Weeks 1 0 0 0 0 0 0 1 0
28-36 Weeks 634 14 1 0 7 6 11 13 594
37-41 Weeks 456 11 1 2 4 4 5 6 434
42+ Weeks 14 0 0 0 0 0 0 0 14
Unknown 11 0 0 0 0 0 0 0 11
2500+ Grams Total 21,401 405 13 53 133 206 335 549 20,110
<28 Weeks 3 0 0 0 0 0 0 0 3
28-36 Weeks 874 21 1 2 5 13 15 26 812
37-41 Weeks 18,803 345 12 45 118 170 286 471 17,700
42+ Weeks 1,508 38 0 6 9 23 31 49 1,390
Unknown 213 1 0 0 1 0 3 3 205
5 Minute Apgar 0-3 79 3 0 0 0 3 2 2 72
4-6 194 8 0 1 4 3 4 5 177
7-10 22,472 424 16 54 139 215 349 568 21,128
Not Stated 33 1 0 0 1 0 0 0 31
Tobacco Used Yes 1,140 41 1 1 13 26 40 69 990
No 21,495 394 15 54 130 195 314 500 20,284
Unknown 143 1 0 0 1 0 1 6 134
Alcohol Used Yes 128 0 0 0 0 0 3 1 124
No 22,447 434 16 55 142 221 351 568 21,091
Unknown 203 2 0 0 2 0 1 6 193
Birth Order 1st 9,224 402 16 53 137 196 285 428 8,108
2nd 7,618 32 0 2 7 23 63 124 7,397
3rd 3,715 2 0 0 0 2 7 21 3,685
4th 1,392 0 0 0 0 0 0 1 1,390
5+ 823 0 0 0 0 0 0 1 822
Unknown 6 0 0 0 0 0 0 0 6
Prenatal Care No Care 146 9 1 2 2 4 3 11 123
Little or Late 558 38 4 4 12 18 19 23 477
Adequate 22,043 389 11 49 130 199 333 540 20,779
Unknown 31 0 0 0 0 0 0 1 29