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Methods of semen collection not based on masturbation or surgical sperm retrieval.
Sperm Retrieval Procedures | Johns Hopkins Medicine
Artificial Insemination in Farm Animals. The Artificial Insemination AI is the first option treatment for infertile couples with cervical factor subfertility, mild-moderate male subfertility and unexplained infertility. With the exception of cases in which the use of in vitro fertilization IVF or ICSI is strictly due as a consequence of a severe male or female factor, the artificial insemination must be part of a gradual approach to the techniques of artificial insemination. The AI, as other assisted reproductive techniques, needs a selection of the ejaculated spermatozoa before the performance of the treatment.
Sperm Retrieval Procedures
Sperm harvesting is entirely different from a diagnostic testicular biopsy because, in this setting, the goal is not to identify what is happening in the testis but instead it is to find sperm. Only men with no sperm in their ejaculate azoospermia need to have sperm retrieved directly from the testis or epididymis. This may involve a simple aspiration for men who have a blockage or require much more extensive sampling of the testis for men who have a sperm production problem. As a result, there is a significant difference in the amount of time it takes, the need for anesthesia and the equipment utilized. Very few tests allow for an accurate prediction of whether or not sperm will be found in the testes of men with testicular problems.
Therefore, we developed a safe, simple, feasible, and low-cost modified MESA technique to collect epididymal sperm under direct vision, which we have labeled macrosurgical epididymal sperm imprint collection MESIC. Macrosurgical epididymal sperm imprint collection was performed in 17 patients with suspected OA mean age: 36 years from to The present study was approved by the Institutional Review Board of Jichi Medical University, and informed consent was obtained from all patients. Evaluations included history taking, a physical examination, and semen analysis including centrifuged pellet analysis on at least two occasions.