Figure 4From: Quantitative ELISAs for serum soluble LHCGR and hCG-LHCGR complex: potential diagnostics in first trimester pregnancy screening for stillbirth, Down’s syndrome, preterm delivery and preeclampsiaPrecision of the sLHCGR and hCG-sLHCGR ELISA assays. Ten early pregnancy serum samples were used for intra- and inter-assay validation. Intra-assay variation of 10 sera, mean of octuplicates showing SD for sLHCGR (a) and hCG-sLHCGR (b). Inter-assay variation of 10 sera tested in duplicate one week apart showing SD for sLHCGR (c) and hCG-sLHCGR (d).Back to article page