Have you ever seen a person with an extra thumb and wondered how that happens? Many people are fascinated when they notice this feature, especially when celebrities like Hrithik Roshan talk openly about it. Yet, having two thumbs on one hand is actually a medical condition present from birth. It is not something caused by the person or their parents. In many cases, it is observed at birth and becomes part of the individual’s life and identity as they grow up, living like any normal, healthy individual.
What causes an extra thumb?
An extra thumb is a type of polydactyly, a condition in which babies are born with more fingers or toes than usual. When the thumb is involved, it is referred to as thumb duplication. This occurs during pregnancy while the baby’s thumbs are developing in the mother’s womb. This is usually not caused by anything specific. In some families, the condition can be inherited and passed down through generations. The extra thumb may be almost normal, or it may be small and underdeveloped.
Treatment options
Most people with an extra thumb do not experience problems. However, for some children, it may cause difficulties, such as grasping objects or performing tasks like writing, due to physical changes as they grow. Surgery is often suggested for these children to improve hand function. One thumb is removed, and the remaining thumb is reshaped to look and function normally. This procedure is usually done at a young age, allowing the child to heal and use their hands without long-term issues.
