Birth Outcomes of Infants by Age of Mother,
Oregon Residents, 1996-1998
CLACKAMAS COUNTY
Birth Outcomes 10-17 <15 15 16 17 18 19
Total Births 411 20 50 105 236 325 475
Birthweight 1499 Gr. or Less
8 2 0 3 3 3 3
<28 Weeks 3 1 0 1 1 0 1
28-36 Weeks 4 1 0 2 1 1 2
37-41 Weeks 1 0 0 0 1 0 0
Unknown 0 0 0 0 0 2 0
1500-2499 Grams
33 2 3 9 19 18 24
<28 Weeks 1 1 0 0 0 0 0
28-36 Weeks 9 0 0 3 6 8 15
37-41 Weeks 18 1 1 5 11 9 8
42+ Weeks 3 0 2 0 1 0 1
Unknown 2 0 0 1 1 1 0
2500+ Grams
370 16 47 93 214 304 448
28-36 Weeks 23 2 1 5 15 15 17
37-41 Weeks 259 8 33 61 157 221 336
42+ Weeks 58 4 9 20 25 53 69
Unknown 30 2 4 7 17 15 26
5 Minute Apgar 0-3 4 1 0 1 2 3 1
4-6 5 0 1 2 2 3 7
7-10 401 19 49 102 231 313 462
Not Stated 1 0 0 0 1 6 5
Tobacco Used Yes 114 3 9 27 75 96 121
No 294 17 40 77 160 228 353
Unknown 3 0 1 1 1 1 1
Alcohol Used Yes 9 0 1 3 5 8 8
No 398 20 48 101 229 316 465
Unknown 4 0 1 1 2 1 2
Birth Order 1st 385 19 49 99 218 278 367
2nd 24 1 1 5 17 40 87
3rd 2 0 0 1 1 7 20
4th 0 0 0 0 0 0 1
Prenatal Care No Care 7 1 3 1 2 9 5
Little or Late 45 4 8 12 21 26 29
Adequate 356 15 39 91 211 287 438
Unknown 3 0 0 1 2 3 3