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

CLACKAMAS COUNTY
      Total 10-17 <15 15 16 17 18 19 20+
Total Births     12,351 387 15 45 102 225 312 479 11,173
Birthweight 1499 Gr. or Less Total 112 6 1 1 2 2 4 2 100
    <28 Weeks 37 3 1 0 1 1 1 0 33
    28-36 Weeks 64 3 0 1 1 1 1 2 58
    37-41 Weeks 5 0 0 0 0 0 0 0 5
    Unknown 6 0 0 0 0 0 2 0 4
  1500-2499 Grams Total 555 27 2 1 9 15 16 36 476
    <28 Weeks 4 0 0 0 0 0 0 0 4
    28-36 Weeks 306 9 1 0 3 5 9 22 266
    37-41 Weeks 209 15 1 1 5 8 6 13 175
    42+ Weeks 19 2 0 0 0 2 1 1 15
    Unknown 17 1 0 0 1 0 0 0 16
  2500+ Grams Total 11,683 354 12 43 91 208 292 441 10,596
    <28 Weeks 2 0 0 0 0 0 0 0 2
    28-36 Weeks 459 19 1 1 2 15 10 20 410
    37-41 Weeks 9,272 249 6 32 61 150 216 320 8,487
    42+ Weeks 1,423 54 3 7 21 23 53 71 1,245
    Unknown 527 32 2 3 7 20 13 30 452
5 Minute Apgar 0-3   48 4 1 0 1 2 5 1 38
  4-6   132 4 0 1 2 1 2 5 121
  7-10   12,062 377 14 44 99 220 300 468 10,917
  Not Stated   109 2 0 0 0 2 5 5 97
Tobacco Used Yes   1,717 104 3 7 27 67 95 114 1,404
  No   10,581 278 12 37 74 155 216 365 9,722
  Unknown   53 5 0 1 1 3 1 0 47
Alcohol Used Yes   266 11 0 1 3 7 6 10 239
  No   11,997 370 15 43 98 214 305 469 10,853
  Unknown   88 6 0 1 1 4 1 0 81
Birth Order 1st   4,950 366 14 43 98 211 264 364 3,956
  2nd   4,206 20 1 2 4 13 44 96 4,046
  3rd   2,013 1 0 0 0 1 4 18 1,990
  4th   745 0 0 0 0 0 0 1 744
  5+   426 0 0 0 0 0 0 0 426
  Unknown   11 0 0 0 0 0 0 0 11
Prenatal Care No Care   131 10 0 3 2 5 9 6 106
  Little or Late   457 35 4 6 7 18 29 23 370
  Adequate   11,688 336 11 36 91 198 271 445 10,636
  Unknown   75 6 0 0 2 4 3 5 61