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Genu Valgum (Knock-Knee)

Basics Description Genu valgum, or knock-knee, is a normal phase of development in children 2-4 years old. Girls normally have slightly more valgus of the knee than do boys. The valgus straightens to achieve the adult position by 6-7 years of age. Rickets, trauma, and genetic disorders also may cause genu valgum. Some patients […]

Developmental Dysplasia of the Hip

Basics Description DDH covers a spectrum of varying degrees of superolateral displacement of the femur and deformation of the acetabulum, developing mostly in utero or, rarely, in infancy. It usually is discovered on routine screening in early childhood. It occasionally is discovered in teens with a limp or pain, in which case it probably […]

A Patient’s Guide to Developmental Dysplasia of the Hip in Children

Introduction

Developmental dysplasia of the hip (DDH), previously known as congenital hip dysplasia is a common disorder affecting infants and young children. The change in name reflects the fact that DDH is a developmental process that occurs over time. It develops either in utero (in the uterus) or during the first year of life. It […]