 Context, IgA nephropathy, IgA-N, is an autoimmune disorder and is the most common form of primary glomerulonephritis, G-N, worldwide. Evidence acquisitions, directory of open access journals, DOAJ, Google Scholar, PubMed, NLM, Lista, EBCO, and Web of Science have been searched. Results, it is a slowly progressing disorder that leads to in-stage renal disease, ESRD, in up to 50% of the patients within 25 years of the onset of the disease. IgA-N is defined by predominant IgA deposition in the mesangial area on immunofluorescence, if, microscopy. Its histology varies from mild focal segmental proliferation of mesangial cells to severe diffuse global proliferation with extratapillary proliferation, Crescent formation. The Oxford classification, designed in 2009, is a new classification for the evaluation of morphologic lesions of IgA-N. This classification, containing four pathology variables, was found to have prognosed. This article was authored by Hamid Nasri and Muhammad Mubarak. We are article.tv, links in the description below.