Adult female rib ectropion causes congenital causes, rickets, rib fracture deformity healing and so on. 1. Congenital causes: such as congenital developmental deformities of the rib cage or infantile rickets untreated, can lead to rib ectropion. 2. Rickets: rickets in adult women can also cause rib ectropion, which is mainly caused by vitamin D deficiency, and also accompanied by knee inversion, square skull, bead chest and other changes. 3. Rib fracture deformity healing: adult female rib trauma, fracture and other deformity healing can also cause rib ectropion, usually patients will have a history of trauma. Adult female rib ectopia has more causes, patients should consult the doctor in time, early treatment in order to avoid delaying the condition and affecting the prognosis.