QuickStep Human E3 (Estriol) ELISA Kit

Estriol (E3) is an estrogen hormone produced predominantly by the placental-fetal unit during pregnancy, and quantitative measurement in maternal circulation is widely used in clinical research on fetoplacental well-being, Down syndrome screening protocols, and high-risk pregnancy monitoring. This Assay Genie competitive ELISA kit accommodates human serum, urine, saliva, and plasma specimens, providing researchers flexibility across study designs that may require non-invasive or repeated sampling. The microplate format enables batch processing of multiple patient samples against a standard curve, with reagents supplied for use after equilibration to room temperature and protection from light to preserve antibody binding activity.