Estriol (also known as oestriol and E3) is significantly produced in large amounts during pregnancy because of the fetus. It is regarded as of the one of the three main estrogens that are made by the human body and its production is dependent on an intact maternal-placental-fetal unit.

ELISA kit information:

• Reactivity: Human
• Sample Type: Saliva
• Sensitivity: 1.4 pg/ml
• Target: Free Estriol, Free Oestriol, Free E3