Polydactyly of Fingers in Children

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Contact the Hand and Orthopedic Upper Extremity Program

  • 1-617-355-6021
  • International: +01-617-355-5209
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Please note: these pages focus primarily on polydactyly of the fingers. For details on polydactyly of the thumb, see thumb duplication.

If your baby or child has been born with one or more extra fingers (polydactyly), we know that you and your family are concerned. So, please know that at Boston Children's Hospital, we will approach your child’s treatment and care with sensitivity and support—for your child and your whole family.   

When to see a specialist for polydactyly

Your child’s doctor will know by sight that your baby’s hand has an extra digit. The doctor will refer you to a hand specialist, who will guide you to a more detailed diagnosis and treatment plan.

How Boston Children's Hospital approaches polydactyly

You can have peace of mind knowing that the skilled experts in our Orthopedic Center’s Hand and Orthopedic Upper Extremity Program and our Plastic Surgery Department’s Hand and Microsurgery Reconstructive Program have treated thousands of babies and children with hand problems, ranging from the simple to the highly complex. So we can provide your child with expert diagnosis, treatment and care—as well as the benefits of some of the most advanced clinical and scientific research in the world.

We are grateful to have been ranked #1 on U.S. News & World Report's list of the best children's hospitals in the nation for the third year in a row, an honor we could not have achieved without the patients and families who inspire us to do our very best for them. Thanks to you, Boston Children's is a place where we can write the greatest children's stories ever told.”
- Sandra L. Fenwick, President and CEO

Boston Children's Hospital 300 Longwood Avenue, Boston, MA 02115 617-355-6000 | 800-355-7944