Birth Outcomes of Infants by Age of Mother
Oregon Residents, 1997-1999

MULTNOMAH COUNTY
      Total 10-17 <15 15 16 17 18 19 20+
Total Births     27,522 1,137 68 157 353 559 848 1,093 24,439
Birthweight 1499 Gr. or Less Total 271 23 4 5 6 8 10 12 226
    <28 Weeks 103 11 1 4 3 3 3 3 86
    28-36 Weeks 148 7 3 1 0 3 6 8 127
    37-41 Weeks 8 2 0 0 1 1 1 0 5
    42+ Weeks 2 0 0 0 0 0 0 0 2
    Unknown 10 3 0 0 2 1 0 1 6
  1500-2499 Grams Total 1,314 74 4 11 18 41 31 60 1,149
    <28 Weeks 8 0 0 0 0 0 0 0 8
    28-36 Weeks 683 42 2 7 10 23 13 28 600
    37-41 Weeks 551 29 2 4 8 15 14 28 480
    42+ Weeks 20 0 0 0 0 0 1 1 18
    Unknown 52 3 0 0 0 3 3 3 43
  2500+ Grams Total 25,936 1,040 60 141 329 510 807 1,021 23,064
    <28 Weeks 8 1 0 0 0 1 0 1 6
    28-36 Weeks 1,210 49 3 8 19 19 45 58 1,058
    37-41 Weeks 20,512 769 36 103 249 381 586 769 18,387
    42+ Weeks 3,008 162 13 18 42 89 124 142 2,578
    Unknown 1,198 59 8 12 19 20 52 51 1,035
5 Minute Apgar 0-3   90 8 1 1 1 5 1 3 78
  4-6   304 25 4 3 9 9 7 13 259
  7-10   27,053 1,101 63 151 342 545 839 1,074 24,036
  Not Stated   75 3 0 2 1 0 1 3 66
Tobacco Used Yes   4,123 312 19 41 93 159 239 277 3,295
  No   23,281 813 48 115 256 394 605 813 21,047
  Unknown   118 12 1 1 4 6 4 3 97
Alcohol Used Yes   456 20 3 1 7 9 15 10 411
  No   26,791 1,102 64 155 341 542 826 1,071 23,789
  Unknown   275 15 1 1 5 8 7 12 239
Birth Order 1st   11,998 1,038 67 146 335 490 677 764 9,517
  2nd   8,636 95 1 10 17 67 151 265 8,124
  3rd   4,033 4 0 1 1 2 18 54 3,957
  4th   1,600 0 0 0 0 0 2 8 1,590
  5+   1,216 0 0 0 0 0 0 2 1,214
  Unknown   39 0 0 0 0 0 0 0 37
Prenatal Care No Care   200 19 3 4 5 7 6 8 167
  Little or Late   1,335 90 5 18 30 37 66 84 1,095
  Adequate   25,846 1,024 60 134 317 513 771 994 23,055
  Unknown   141 4 0 1 1 2 5 7 122