VALORES NORMALES DE ALFAFETOPROTEINA

 Table 32-1. Normal Serum Alpha Fetoprotein (AFP) Levels of Infants by Age

Age	No. of Patients	AFP Level ± SD (ng/mL)
Premature	11	138,734 ± 41,444
Newborn	55	48,406 ± 34,718
Newborn to 2 weeks	16	33,113 ± 32,503
2 weeks to 1 month	43	9452 ± 12,610
1 month	12	2645 ± 3080
2 months	40	323 ± 278
3 months	5	88 ± 87
4 months	31	74 ± 56
5 months	6	46.5 ± 19
6 months	9	12.5 ± 9.8
7 months	5	9.7 ±?7.1
8 months	3	8.5 ± 5.5

From Wu JT, Book L, Sudar K: Serum alpha fetoprotein (AFP) levels in normal infants. Pediatr Res 1981;5:50.