https://www.dukehealth.org/pediatric-treatments/pediatric-orthopaedics/congenital-hand-conditions
Polydactyly, Syndactyly, Symbrachydactyly and Other Congenital Hand Conditions | Missing, Extra or...
Children born with missing or extra fingers or thumbs, underdeveloped hands, or underdeveloped hands may benefit from the expert care provided by Duke Health...
hand conditionspolydactylysyndactylysymbrachydactyly
https://kidshealth.org/Inova/en/parents/symbrachydactyly.html
Symbrachydactyly (for Parents) - Inova Children's
Babies with symbrachydactyly are born with short often webbed fingers. Some might be missing fingers.
for parentssymbrachydactylyinovachildren