Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 2005-2007
Klamath County



Total 10-17 <15 15 16 17 18 19 20+
Total Births 2,496 81 2 8 24 47 87 144 2,183
Birthweight 1499 Gr. or Less Total 43 2 0 0 0 2 4 5 32
<28 Weeks 17 2 0 0 0 2 3 2 10
28-36 Weeks 14 0 0 0 0 0 0 3 11
Unknown 12 0 0 0 0 0 1 0 11
1500-2499 Grams Total 157 6 0 1 1 4 1 10 140
28-36 Weeks 79 2 0 0 1 1 1 6 70
37-41 Weeks 55 1 0 0 0 1 0 3 51
42+ Weeks 3 0 0 0 0 0 0 1 2
Unknown 20 3 0 1 0 2 0 0 17
2500+ Grams Total 2,296 73 2 7 23 41 82 129 2,011
<28 Weeks 3 0 0 0 0 0 0 0 3
28-36 Weeks 100 4 0 1 0 3 4 3 89
37-41 Weeks 1,791 58 2 5 19 32 64 94 1,575
42+ Weeks 139 5 0 0 2 3 4 11 119
Unknown 263 6 0 1 2 3 10 21 225
5 Minute Apgar 0-3 23 2 0 0 1 1 1 3 17
4-6 65 3 0 0 1 2 4 5 53
7-10 2,401 75 2 7 22 44 82 136 2,107
Not Stated 7 1 0 1 0 0 0 0 6
Tobacco Used Yes 473 17 0 1 4 12 20 40 396
No 1,994 62 2 6 20 34 66 104 1,762
Unknown 29 2 0 1 0 1 1 0 25
Birth Order 1st 957 77 2 8 24 43 72 108 699
2nd 752 4 0 0 0 4 12 31 705
3rd 460 0 0 0 0 0 3 5 452
4th 215 0 0 0 0 0 0 0 215
5+ 112 0 0 0 0 0 0 0 112
Prenatal Care No Care 25 0 0 0 0 0 2 2 21
Little or Late 94 5 0 2 1 2 6 6 77
Adequate 2,368 76 2 6 23 45 78 135 2,078
Unknown 9 0 0 0 0 0 1 1 7