Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2001-2003
Multnomah County

Total 10-17 <15 15 16 17 18 19 20+
Total Births 27,930 784 34 104 227 419 644 968 25,530
Birthweight 1499 Gr. or Less Total 301 13 0 0 6 7 12 8 267
<28 Weeks 118 8 0 0 4 4 7 3 100
28-36 Weeks 172 5 0 0 2 3 5 5 157
37-41 Weeks 7 0 0 0 0 0 0 0 6
42+ Weeks 1 0 0 0 0 0 0 0 1
Unknown 3 0 0 0 0 0 0 0 3
1500-2499 Grams Total 1,434 67 1 13 16 37 38 39 1,290
<28 Weeks 4 1 0 0 0 1 0 0 3
28-36 Weeks 864 41 1 9 10 21 19 16 788
37-41 Weeks 540 24 0 4 6 14 18 19 479
42+ Weeks 13 1 0 0 0 1 0 2 10
Unknown 13 0 0 0 0 0 1 2 10
2500+ Grams Total 26,195 704 33 91 205 375 594 921 23,973
<28 Weeks 2 0 0 0 0 0 0 0 2
28-36 Weeks 1,067 37 0 4 10 23 33 33 963
37-41 Weeks 23,186 634 29 85 181 339 524 816 21,210
42+ Weeks 1,565 25 3 1 12 9 27 59 1,454
Unknown 375 8 1 1 2 4 10 13 344
5 Minute Apgar 0-3 93 6 0 0 3 3 6 3 78
4-6 278 9 0 3 1 5 5 8 256
7-10 27,482 766 34 100 223 409 633 955 25,125
Not Stated 77 3 0 1 0 2 0 2 71
Tobacco Used Yes 3,302 157 3 24 45 85 162 219 2,763
No 24,457 619 31 80 179 329 476 744 22,616
Unknown 171 8 0 0 3 5 6 5 151
Alcohol Used Yes 511 12 0 2 4 6 11 10 478
No 27,087 760 34 102 219 405 624 952 24,748
Unknown 332 12 0 0 4 8 9 6 304
Birth Order 1st 12,168 687 32 100 212 343 495 692 10,294
2nd 8,869 91 1 3 15 72 139 235 8,402
3rd 4,060 5 1 1 0 3 9 36 4,009
4th 1,615 0 0 0 0 0 0 3 1,612
5+ 1,205 0 0 0 0 0 1 0 1,204
Unknown 13 1 0 0 0 1 0 2 9
Prenatal Care No Care 245 12 1 1 5 5 10 14 208
Little or Late 1,277 76 6 12 22 36 65 79 1,057
Adequate 26,370 695 27 91 200 377 568 874 24,231
Unknown 38 1 0 0 0 1 1 1 34