Spermatozoa under a microscope to demonstrate the impact on fertility.

: The film was created during a period of intense research into the "nutcracker phenomenon" (compression of the left renal vein) and its role in male infertility.

: It features unique archival footage, including:

: The film highlights experiments on rats conducted at the Laboratory of Immunology of the Institute of Human Morphology to study the autoimmune factors of infertility caused by the disease. Understanding Varicocele in Children