| AFP | sourced |
| Alpha-1-Fetoprotein | — |
| Alpha-1-Fetoprotein | — |
| Alpha-1-Fetoprotein | — |
| Alpha-1-Fetoprotein | — |
| Alpha-1-Fetoprotein | — |
| Alpha-1-Fetoprotein adjusted | — |
| Alpha-1-Fetoprotein adjusted for diabetes | — |
| Alpha-1-Fetoprotein adjusted for diabetes+weight | — |
| Alpha-1-Fetoprotein adjusted for multiple gestations | — |
| Alpha-1-Fetoprotein adjusted for weight | — |
| Alpha-1-Fetoprotein multiple of the median cutoff | sourced |
| Alpha-1-Fetoprotein unadjusted | — |