Birth Outcomes of Infants by Age of Mother
Oregon Residents, 1998-2000

Multnomah County
  Total 10-17 <15 15 16 17 18 19 20+
Total Births   27,976 1,092 57 143 344 548 842 1,112 24,924
Birthweight 1499 Gr. or Less Total 290 19 3 4 8 4 19 16 236
    <28 Weeks 107 11 1 4 4 2 6 6 84
    28-36 Weeks 148 2 1 0 0 1 11 8 127
    37-41 Weeks 8 1 0 0 1 0 1 0 6
    42+ Weeks 1 0 0 0 0 0 0 0 1
    Unknown 26 5 1 0 3 1 1 2 18
  1500-2499 Grams Total 1,396 64 2 9 17 36 40 68 1,224
    <28 Weeks 7 0 0 0 0 0 1 0 6
    28-36 Weeks 675 35 2 3 11 19 15 35 590
    37-41 Weeks 569 24 0 5 6 13 19 30 496
    42+ Weeks 31 1 0 1 0 0 1 1 28
    Unknown 114 4 0 0 0 4 4 2 104
  2500+ Grams Total 26,289 1,009 52 130 319 508 783 1,028 23,464
    <28 Weeks 7 1 0 0 0 1 0 1 5
    28-36 Weeks 1,041 48 3 7 20 18 30 54 909
    37-41 Weeks 19,712 707 28 93 231 355 528 715 17,760
    42+ Weeks 3,396 189 15 19 48 107 158 177 2,870
    Unknown 2,133 64 6 11 20 27 67 81 1,920
5 Minute Apgar 0-3   100 8 2 1 1 4 5 4 83
  4-6   306 22 1 1 9 11 12 15 257
  7-10   27,472 1,057 54 139 333 531 824 1,085 24,503
  Not Stated   98 5 0 2 1 2 1 8 81
Tobacco Used Yes   3,903 270 12 31 82 145 225 287 3,120
  No   23,910 807 44 110 258 395 612 819 21,669
  Unknown   163 15 1 2 4 8 5 6 135
Alcohol Used Yes   464 21 2 0 10 9 15 12 416
  No   27,181 1,054 54 141 328 531 819 1,088 24,216
  Unknown   331 17 1 2 6 8 8 12 292
Birth Order 1st   12,058 989 57 135 320 477 663 787 9,617
  2nd   8,895 99 0 8 23 68 163 265 8,366
  3rd   4,077 4 0 0 1 3 15 53 4,005
  4th   1,646 0 0 0 0 0 1 3 1,642
  5+   1,259 0 0 0 0 0 0 2 1,257
  Unknown   41 0 0 0 0 0 0 2 37
Prenatal Care No Care   222 16 3 3 6 4 5 11 190
  Little or Late   1,446 111 6 22 35 48 71 100 1,164
  Adequate   26,114 956 47 118 298 493 759 993 23,403
  Unknown   194 9 1 0 5 3 7 8 167