Polydactyly is a group of conditions characterized by the presence of extra fingers or toes at birth. It occurs when a baby's hands or feet develop more than the usual number of digits during gestation. The exact cause is not entirely understood but it can be linked to underlying genetic factors and, in some cases, it is associated with certain other genetic disorders. The additional digits can vary in form - they might be fully formed and functional, partially developed, or simply a small, raised lump of soft tissue. There's no universally standard pattern for how polydactyl progresses. It might pose minimal health issues or can be a part of a more complex genetic condition impacting other body systems. Condition's visibility at birth often makes it possible to diagnose polydactyly right after the newborn's arrival.
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