Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Diphallia

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Diphallia: an extremely rare congenital abnormality (birth defect) in which a male infant is born with duplication of the penis. This condition is estimated to occur in only one out of every 5 to 6 million live births. Diphallia is often associated with other abnormalities including gastrointestinal problems and other genitourinary abnormalities. The anatomical abnormality is often referred to as diphallus.

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