UrinalysisGN screen• Serology for SLE, ANCA-associated vasculitis, anti-GBM disease• Anti-PLA2R antibody for membranous nephropathy• Genetic testing for hereditary nephritisPreeclampsia diagnostic tools• Dropping fetal growth percentile• Placental Doppler examination (PI >1.4)• Angiogenic factors (increased soluble Flt-1/PlGF ratio or just depressed PlGF). This evidence concerns the gene PGF and membranous glomerulonephritis.