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



Total 10-17 <15 15 16 17 18 19 20+
Total Births 28,227 677 33 87 199 358 597 832 26,117
Birthweight 1499 Gr. or Less Total 300 16 0 2 5 9 6 6 271
<28 Weeks 127 10 0 1 5 4 4 3 109
28-36 Weeks 162 6 0 1 0 5 1 3 152
37-41 Weeks 5 0 0 0 0 0 1 0 4
Unknown 6 0 0 0 0 0 0 0 6
1500-2499 Grams Total 1,550 43 4 6 11 22 23 53 1,431
<28 Weeks 3 0 0 0 0 0 0 0 3
28-36 Weeks 934 25 3 5 5 12 12 29 868
37-41 Weeks 562 17 1 1 5 10 9 21 515
42+ Weeks 26 0 0 0 0 0 1 2 23
Unknown 25 1 0 0 1 0 1 1 22
2500+ Grams Total 26,377 618 29 79 183 327 568 773 24,415
<28 Weeks 3 0 0 0 0 0 0 0 3
28-36 Weeks 1,103 31 2 7 9 13 29 40 1,003
37-41 Weeks 22,752 532 24 64 154 290 462 655 21,100
42+ Weeks 1,792 37 1 7 15 14 50 56 1,649
Unknown 727 18 2 1 5 10 27 22 660
5 Minute Apgar 0-3 95 6 0 1 1 4 4 2 83
4-6 291 4 0 1 2 1 9 8 269
7-10 27,773 665 33 84 196 352 584 821 25,700
Not Stated 68 2 0 1 0 1 0 1 65
Tobacco Used Yes 3,245 98 2 10 32 54 123 186 2,838
No 24,828 576 30 76 166 304 470 643 23,136
Unknown 154 3 1 1 1 0 4 3 143
Alcohol Used Yes 704 12 0 1 4 7 10 13 669
No 27,134 659 32 85 192 350 579 812 25,081
Unknown 389 6 1 1 3 1 8 7 367
Birth Order 1st 12,202 599 32 83 183 301 480 610 10,511
2nd 9,055 72 1 3 16 52 109 190 8,683
3rd 4,158 6 0 1 0 5 7 31 4,113
4th 1,616 0 0 0 0 0 0 0 1,616
5+ 1,187 0 0 0 0 0 0 0 1,187
Unknown 9 0 0 0 0 0 1 1 7
Prenatal Care No Care 289 14 1 3 5 5 10 13 252
Little or Late 1,400 78 6 13 17 42 69 77 1,175
Adequate 26,429 583 26 70 176 311 517 741 24,585
Unknown 109 2 0 1 1 0 1 1 105