<p>Fibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its iFibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its iFibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its iFibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its iFibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its iFibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its iFibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its iFibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its iFibrodysplasia Ossificans Progressiva (FOP) is an ultrarare genetic disorder and a literature review was undertaken to determine the epidemiology of FOP and its i</p>