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

WASHINGTON COUNTY
      Total 10-17 <15 15 16 17 18 19 20+
Total Births     20,568 572 32 82 165 293 454 623 18,918
Birthweight 1499 Gr. or Less Total 173 12 0 3 1 8 11 9 141
    <28 Weeks 63 2 0 1 0 1 5 5 51
    28-36 Weeks 98 7 0 1 1 5 4 4 83
    37-41 Weeks 3 0 0 0 0 0 0 0 3
    Unknown 9 3 0 1 0 2 2 0 4
  1500-2499 Grams Total 931 41 1 7 17 16 32 32 825
    <28 Weeks 4 0 0 0 0 0 1 1 2
    28-36 Weeks 513 19 0 6 8 5 16 15 463
    37-41 Weeks 372 20 1 0 8 11 11 14 327
    42+ Weeks 17 0 0 0 0 0 3 2 12
    Unknown 25 2 0 1 1 0 1 0 21
  2500+ Grams Total 19,464 519 31 72 147 269 411 582 17,952
    <28 Weeks 4 0 0 0 0 0 0 0 4
    28-36 Weeks 854 37 3 6 8 20 21 27 769
    37-41 Weeks 16,189 405 23 57 113 212 325 464 14,995
    42+ Weeks 1,846 56 2 5 16 33 46 73 1,671
    Unknown 571 21 3 4 10 4 19 18 513
5 Minute Apgar 0-3   56 4 0 1 0 3 2 4 46
  4-6   174 5 0 1 4 0 12 8 149
  7-10   20,305 563 32 80 161 290 439 610 18,693
  Not Stated   33 0 0 0 0 0 1 1 30
Tobacco Used Yes   1,707 95 5 11 23 56 91 104 1,417
  No   18,777 475 26 71 141 237 359 517 17,426
  Unknown   84 2 1 0 1 0 4 2 75
Alcohol Used Yes   202 5 0 2 0 3 3 5 189
  No   20,247 565 31 80 164 290 447 613 18,622
  Unknown   119 2 1 0 1 0 4 5 107
Birth Order 1st   8,765 527 32 78 157 260 375 474 7,389
  2nd   6,761 39 0 4 6 29 71 117 6,534
  3rd   3,158 5 0 0 2 3 6 29 3,118
  4th   1,168 1 0 0 0 1 2 1 1,164
  5+   702 0 0 0 0 0 0 1 701
  Unknown   14 0 0 0 0 0 0 1 12
Prenatal Care No Care   53 5 2 1 0 2 5 6 37
  Little or Late   472 42 6 7 16 13 27 29 374
  Adequate   19,967 521 23 73 149 276 417 587 18,442
  Unknown   76 4 1 1 0 2 5 1 65