Fertilization of oocytes by injecting spermatozoa, spermatids and spermatocytes

Abstract excerpt

The feasibility of fertilization by injecting spermatozoa into oocytes has increased significantly the possibilities for treatment of severe male infertility. However, the rapidity of human application has raised some concern about potential health hazards for the progeny. Human pregnancies and births have also occurred with the use of immature spermatozoa and spermatids, and normal offspring have been born after...

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