MCIDAS and Infertility: A link between fertility status, ultrastructural findings observed by TEM, and the genotype was already proposed [13], with mutations in the genes CCDC39, CCDC39, DNAAF1, DNAAF2, DNAAF4, HYDIN, LRRC6, MCIDAS, NME8, ODAD3, and RSPH3 causing infertility in all studied women [13, 48–50].