Birth Outcomes of Infants by Age of Mother, Oregon Residents, 1999-2001
Yamhill County
  Total 10-17 <15 15 16 17 18 19 20+
Total Births   3,626 152 7 17 35 93 140 180 3,153
Birthweight 1499 Gr. or Less Total 42 2 0 1 0 1 3 3 34
    <28 Weeks 16 1 0 0 0 1 2 1 12
    28-36 Weeks 22 0 0 0 0 0 1 1 20
    37-41 Weeks 1 0 0 0 0 0 0 0 1
    Unknown 3 1 0 1 0 0 0 1 1
  1500-2499 Grams Total 151 9 0 0 3 6 12 8 122
    <28 Weeks 3 0 0 0 0 0 0 1 2
    28-36 Weeks 84 5 0 0 0 5 10 5 64
    37-41 Weeks 48 3 0 0 2 1 2 1 42
    42+ Weeks 5 0 0 0 0 0 0 0 5
    Unknown 11 1 0 0 1 0 0 1 9
  2500+ Grams Total 3,432 141 7 16 32 86 125 169 2,997
    28-36 Weeks 126 4 0 1 2 1 3 8 111
    37-41 Weeks 2,605 104 4 9 26 65 92 124 2,285
    42+ Weeks 403 22 2 6 0 14 16 20 345
    Unknown 298 11 1 0 4 6 14 17 256
5 Minute Apgar 0-3   15 1 0 0 0 1 1 1 12
  4-6   36 3 0 0 0 3 1 3 29
  7-10   3,566 148 7 17 35 89 138 176 3,104
  Not Stated   9 0 0 0 0 0 0 0 8
Tobacco Used Yes   524 30 2 3 7 18 38 44 412
  No   3,057 116 4 13 26 73 99 133 2,709
  Unknown   45 6 1 1 2 2 3 3 32
Alcohol Used Yes   38 2 0 1 0 1 1 2 33
  No   3,531 143 6 15 33 89 136 176 3,076
  Unknown   57 7 1 1 2 3 3 2 44
Birth Order 1st   1,368 144 7 17 34 86 110 120 994
  2nd   1,159 8 0 0 1 7 28 52 1,071
  3rd   668 0 0 0 0 0 2 6 660
  4th   245 0 0 0 0 0 0 2 243
  5+   182 0 0 0 0 0 0 0 182
  Unknown   4 0 0 0 0 0 0 0 3
Prenatal Care No Care   25 4 0 1 0 3 1 2 18
  Little or Late   125 10 2 2 2 4 11 14 90
  Adequate   3,456 135 5 14 31 85 127 164 3,030
  Unknown   20 3 0 0 2 1 1 0 15