Estriol (E3 or oestriol) is a female sex steroid hormone and is member of the naturally occurring estrogens which also include estrone and estradiol. It is a major estrogen that is produced by the human fetus and estriol is also exclusively produced during pregnancy.

ELISA kit information:

• Reactivity: Human
• Sample Type: Serum, Plasma
• Sensitivity: 0.05 ng/ml
• Target: Estriol