Aǧrı : Ağrı (Algoloji) Derneği'nin Yayın organıdır = The journal of the Turkish Society of Algology
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Osteonecrosis or avascular necrosis of the femoral head is a pathologic process due to inadequate blood supply resulting the death of the cells in bone tissue and collaps of joint. Avascular necrosis is a progressive disease mainly affecting adults in middle age and leads substantial loss of joint function. ⋯ Therefore several causes of osteonecrosis schould be well-known, little is known about pregnancy as an etiological factor for femoral head. We present a case of a 30-year-old female with bilateral avascular necrosis of the femoral head that developed during the peripartum period.