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Premature luteinization, defined as P/E2 > 1 on human chorionic gonadotropin administration day, in long gonadotropin-releasing hormone agonist cycles seems to adversely affect clinical outcome.

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This article describes a very unusual case of sciatic pain and motor dysfunction resulting from gluteal artery pseudoaneurysm. A 36-year-old woman with primary infertility sustained an iatrogenic injury to her left gluteal artery during transvaginal ultrasound-guided follicle aspiration. Twenty-five days after the procedure she developed severe left sciatic pain and motor dysfunction. Pelvic computed tomography and magnetic resonance imaging revealed a huge pelvic hematoma. Angiography demonstrated a gluteal artery pseudoaneurysm. Because endovascular occlusion of the aneurysm did not relieve the pain, the patient underwent surgery for evacuation of the hematoma and release of the lumbosacral plexus. This eliminated all her sciatic pain and restored her motor dysfunction completely. The English literature details only five other cases of sciatic pain resulting from gluteal artery aneurysm, and these reports are also discussed.

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