Alpha1-Fetoprotein
- Tumor
|
Age |
ng/mL |
|
Newborns - 2 wk |
≤ 98.119 |
|
2 wk - 1 mo |
≤ 34. 672 |
|
1-2 mo |
≤ 8.814 |
|
2-3 mo |
≤ 879 |
|
3-4 mo |
≤ 262 |
|
4-5 mo |
≤ 186 |
|
5-6 mo |
≤ 84.5 |
|
6-7 mo |
≤ 32.1 |
|
7-8 mo |
≤ 23.9 |
|
8 mo - adult |
≤ 10 |
Serial determinations are
essential for
interpretation in infants
AFP Median Values
|
Gestational Week |
Amniotic Fluid (µg/mL) |
|
15-15.9 |
16.72 |
|
16-16.9 |
15.38 |
|
17-17.9 |
13.03 |
|
18-18.9 |
10.29 |
|
19-19.9 |
9.44 |
|
20-20.9 |
6.70 |
|
21-21.9 |
6.44 |
AFP may be elevated for gestational
age in amniotic fluid when the fetus has
a neural tube defect