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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Epididymal micropuncture with in vitro fertilization and oocyte micromanipulation for the treatment of unreconstructable obstructive azoospermia.

OBJECTIVE: To provide fertility to couples in whom the man has surgically unreconstructable obstructive azoospermia. DESIGN: Prospective. SETTING: Hospital-based IVF unit, including associated division of urologic microsurgery. PATIENTS: Couples referred to our fertility unit for treatment of men with surgically unreconstructable reproductive tract obstruction, including congenital absence of the vas deferens. MAIN OUTCOME MEASURES: Fertilization, pregnancies, and live births. RESULTS: Of 51 cycles in which sperm and eggs were retrieved, 67% (34/51) resulted in fertilization and 27.5% (14/51) developed clinical pregnancy. Clinical pregnancy rate per couple was 33% (14/43). A total of 15 live births have been obtained in 11 couples with one ongoing pregnancy. Epididymal length was the best predictor of sperm quality and pregnancy results. For couples with at least the corpus epididymis present, 41% (9/22) of cycles resulted in clinical pregnancies. CONCLUSIONS: Pregnancy rates are optimized using sperm retrieved from the epididymis by micropuncture and when micromanipulation is available for use during IVF.[1]

References

  1. Epididymal micropuncture with in vitro fertilization and oocyte micromanipulation for the treatment of unreconstructable obstructive azoospermia. Schlegel, P.N., Berkeley, A.S., Goldstein, M., Cohen, J., Alikani, M., Adler, A., Gilbert, B.R., Rosenwaks, Z. Fertil. Steril. (1994) [Pubmed]
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