Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2003-2005
Yamhill County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 3,476 97 6 10 29 52 86 150 3,143
Birthweight 1499 Gr. or Less Total 32 0 0 0 0 0 0 0 32
<28 Weeks 14 0 0 0 0 0 0 0 14
28-36 Weeks 17 0 0 0 0 0 0 0 17
37-41 Weeks 1 0 0 0 0 0 0 0 1
1500-2499 Grams Total 162 4 0 1 1 2 6 7 145
<28 Weeks 2 0 0 0 0 0 0 0 2
28-36 Weeks 100 3 0 1 0 2 2 6 89
37-41 Weeks 54 1 0 0 1 0 3 1 49
42+ Weeks 4 0 0 0 0 0 0 0 4
Unknown 2 0 0 0 0 0 1 0 1
2500+ Grams Total 3,282 93 6 9 28 50 80 143 2,966
<28 Weeks 1 0 0 0 0 0 0 0 1
28-36 Weeks 147 5 1 1 1 2 5 9 128
37-41 Weeks 2,710 72 5 8 20 39 60 117 2,461
42+ Weeks 306 12 0 0 4 8 13 11 270
Unknown 118 4 0 0 3 1 2 6 106
5 Minute Apgar 0-3 15 0 0 0 0 0 0 1 14
4-6 31 0 0 0 0 0 2 1 28
7-10 3,422 97 6 10 29 52 84 148 3,093
Not Stated 8 0 0 0 0 0 0 0 8
Tobacco Used Yes 423 16 0 2 4 10 23 32 352
No 3,022 81 6 8 25 42 63 117 2,761
Unknown 31 0 0 0 0 0 0 1 30
Alcohol Used Yes 21 1 0 0 1 0 1 3 16
No 3,420 96 6 10 28 52 85 146 3,093
Unknown 35 0 0 0 0 0 0 1 34
Birth Order 1st 1,300 94 6 10 28 50 76 113 1,017
2nd 1,100 3 0 0 1 2 10 32 1,055
3rd 625 0 0 0 0 0 0 4 621
4th 286 0 0 0 0 0 0 1 285
5+ 163 0 0 0 0 0 0 0 163
Unknown 2 0 0 0 0 0 0 0 2
Prenatal Care No Care 33 0 0 0 0 0 0 0 33
Little or Late 100 8 0 2 4 2 2 11 79
Adequate 3,337 89 6 8 25 50 84 139 3,025
Unknown 6 0 0 0 0 0 0 0 6