Severe transient osteoporosis of the hip during pregnancy. Successful treatment with intravenous biphosphonates.

A young woman with transient osteoporosis of the hip (TOH) during pregnancy, severe pain, physical disability and marked generalized osteoporosis was treated with intravenous biphosphonates with prompt beneficial effects on both clinical symptoms and bone density. The features of this rare and sometimes underdiagnosed condition are reviewed. Intravenous biphosphonates seem to be an effective therapy for TOH.