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



Total 10-17 <15 15 16 17 18 19 20+
Total Births 29,145 718 40 100 199 379 582 862 26,978
Birthweight 1499 Gr. or Less Total 320 15 1 2 3 9 4 9 291
<28 Weeks 129 6 0 1 3 2 2 3 117
28-36 Weeks 158 7 0 1 0 6 1 5 145
37-41 Weeks 5 0 0 0 0 0 1 0 4
Unknown 28 2 1 0 0 1 0 1 25
1500-2499 Grams Total 1,546 49 7 3 14 25 21 61 1,414
<28 Weeks 2 0 0 0 0 0 0 0 2
28-36 Weeks 885 27 3 3 6 15 11 40 807
37-41 Weeks 542 16 1 0 7 8 7 17 502
42+ Weeks 22 1 1 0 0 0 1 1 19
Unknown 95 5 2 0 1 2 2 3 84
2500+ Grams Total 27,279 654 32 95 182 345 557 792 25,273
<28 Weeks 4 0 0 0 0 0 0 0 4
28-36 Weeks 1,095 39 3 7 13 16 18 45 993
37-41 Weeks 22,277 495 23 63 140 269 425 601 20,753
42+ Weeks 1,936 49 1 10 14 24 56 66 1,765
Unknown 1,967 71 5 15 15 36 58 80 1,758
5 Minute Apgar 0-3 112 6 0 1 0 5 1 1 104
4-6 314 11 1 1 5 4 14 11 277
7-10 28,655 701 39 98 194 370 567 848 26,535
Not Stated 64 0 0 0 0 0 0 2 62
Tobacco Used Yes 3,190 91 3 6 33 49 102 166 2,831
No 25,827 621 36 93 163 329 478 693 24,031
Unknown 128 6 1 1 3 1 2 3 116
Birth Order 1st 12,613 649 40 98 184 327 493 629 10,839
2nd 9,356 66 0 2 15 49 81 197 9,011
3rd 4,296 3 0 0 0 3 7 36 4,250
4th 1,660 0 0 0 0 0 0 0 1,660
5+ 1,212 0 0 0 0 0 0 0 1,212
Unknown 8 0 0 0 0 0 1 0 6
Prenatal Care No Care 308 23 2 6 7 8 6 15 264
Little or Late 1,563 92 9 15 19 49 63 74 1,332
Adequate 27,152 600 29 77 172 322 512 772 25,265
Unknown 122 3 0 2 1 0 1 1 117