"The arrest in the formation of primordial limb bud(s) during the early phase (before the 8th week of gestation) of embryogenesis, may be due to some mechanical, vascular insult or teratogenic exposure."
"Amelia is a very rare congenital anomaly with an incidence rate of 0.04-0.15 per 10000 live births 1."
Expected headings
"Prognosis and treatment"