Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2002-2004
Yamhill County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 3,519 99 4 14 26 55 118 159 3,142
Birthweight 1499 Gr. or Less Total 30 0 0 0 0 0 0 1 29
<28 Weeks 12 0 0 0 0 0 0 1 11
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 172 4 0 2 0 2 7 10 151
<28 Weeks 2 0 0 0 0 0 0 0 2
28-36 Weeks 102 3 0 1 0 2 3 8 88
37-41 Weeks 61 1 0 1 0 0 4 2 54
42+ Weeks 5 0 0 0 0 0 0 0 5
Unknown 2 0 0 0 0 0 0 0 2
2500+ Grams Total 3,317 95 4 12 26 53 111 148 2,962
<28 Weeks 1 0 0 0 0 0 0 0 1
28-36 Weeks 147 5 1 0 1 3 9 9 124
37-41 Weeks 2,745 75 3 12 18 42 85 126 2,458
42+ Weeks 323 11 0 0 4 7 15 10 287
Unknown 101 4 0 0 3 1 2 3 92
5 Minute Apgar 0-3 14 0 0 0 0 0 0 2 12
4-6 35 1 0 0 1 0 2 2 30
7-10 3,462 98 4 14 25 55 116 155 3,092
Not Stated 8 0 0 0 0 0 0 0 8
Tobacco Used Yes 460 17 0 3 5 9 29 41 373
No 3,030 81 4 10 21 46 89 117 2,742
Unknown 29 1 0 1 0 0 0 1 27
Alcohol Used Yes 27 1 0 0 1 0 1 3 22
No 3,460 97 4 13 25 55 117 155 3,090
Unknown 32 1 0 1 0 0 0 1 30
Birth Order 1st 1,316 96 4 14 25 53 100 113 1,007
2nd 1,125 3 0 0 1 2 16 37 1,069
3rd 619 0 0 0 0 0 2 8 608
4th 283 0 0 0 0 0 0 1 282
5+ 174 0 0 0 0 0 0 0 174
Unknown 2 0 0 0 0 0 0 0 2
Prenatal Care No Care 27 2 0 1 0 1 0 0 25
Little or Late 102 8 0 2 3 3 2 10 82
Adequate 3,386 89 4 11 23 51 116 149 3,032
Unknown 4 0 0 0 0 0 0 0 3
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