Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2000-2002
Yamhill County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 3,574 131 5 16 28 82 145 173 3,124
Birthweight 1499 Gr. or Less Total 32 1 0 0 0 1 1 2 28
<28 Weeks 12 1 0 0 0 1 0 1 10
28-36 Weeks 18 0 0 0 0 0 1 1 16
37-41 Weeks 1 0 0 0 0 0 0 0 1
Unknown 1 0 0 0 0 0 0 0 1
1500-2499 Grams Total 161 5 0 1 0 4 10 11 135
<28 Weeks 2 0 0 0 0 0 0 0 2
28-36 Weeks 95 4 0 0 0 4 7 9 75
37-41 Weeks 52 1 0 1 0 0 3 2 46
42+ Weeks 3 0 0 0 0 0 0 0 3
Unknown 9 0 0 0 0 0 0 0 9
2500+ Grams Total 3,381 125 5 15 28 77 134 160 2,961
28-36 Weeks 132 4 0 0 2 2 7 6 115
37-41 Weeks 2,603 93 2 11 23 57 98 124 2,287
42+ Weeks 377 20 2 4 1 13 18 18 321
Unknown 269 8 1 0 2 5 11 12 238
5 Minute Apgar 0-3 12 1 0 0 0 1 1 1 9
4-6 34 4 0 0 1 3 1 3 26
7-10 3,521 126 5 16 27 78 143 169 3,082
Not Stated 7 0 0 0 0 0 0 0 7
Tobacco Used Yes 505 26 1 4 6 15 43 42 394
No 3,036 103 4 11 22 66 100 129 2,703
Unknown 33 2 0 1 0 1 2 2 27
Alcohol Used Yes 34 2 0 1 0 1 1 1 30
No 3,499 127 5 14 28 80 142 171 3,058
Unknown 41 2 0 1 0 1 2 1 36
Birth Order 1st 1,371 127 5 16 28 78 116 120 1,008
2nd 1,110 4 0 0 0 4 25 43 1,038
3rd 654 0 0 0 0 0 4 9 640
4th 250 0 0 0 0 0 0 1 249
5+ 189 0 0 0 0 0 0 0 189
Prenatal Care No Care 25 3 0 1 0 2 0 0 22
Little or Late 117 10 2 1 2 5 11 10 86
Adequate 3,419 118 3 14 26 75 133 163 3,005
Unknown 13 0 0 0 0 0 1 0 11