From: Changes in estrone and estradiol levels during follicle development: a retrospective large-scale study
Cross-reactivity (mol %)
Substance
ST AIA-PACK E2 reagent
ST AIA-PACK iE2 reagent
Estradiol (E2)
100
Estrone (E1)
7.2
1.1
Estriol (E3)
4.9
0.25