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| In some cases some azoospermic men do not have any sperm at all in their epididymis. In this case, a small amount of testicular tissue is biopsied. This tissue is then manipulated to disentangle the seminiferous tubule. These seminiferous tubules are then examined with a microscope to find any sperm that are moving within. Intra cytoplasmic sperm injection (ICSI) can then be performed with these sperm to induce pregnancy (see image on the right: biopsy). Even in cases of where Epididymal Sperm Aspiration is not possible, or when there is no sperm in the testis, all hope is not lost since there is still the possibility of pregnancy. |