Modern reproductive technology has evolved tremendously to help men who were previously considered to be incapable of fathering children. The ability to fertilize eggs by directly injecting sperm into an egg intra-cytoplasmic sperm injection means that very few sperm are needed to achieve a successful pregnancy. Sperm is produced in the testicle and transported to the penis where fluid from the prostate combines with the sperm to produce semen. This condition can result from blockage of the ejaculatory system obstructive azoospermia or from a failure of sperm production in the testicle non-obstructive azoospermia. The most common cause of obstructive azoospermia is a prior vasectomy but other causes include prior infection, prior hernia repair with mesh or other prior surgery on the testicles. Non-obstructive azoospermia can be due to genetic conditions, prior testicle infections or hormone abnormalities.
Transvaginal oocyte retrieval
Intracytoplasmic sperm injection - Wikipedia
Please understand that our phone lines must be clear for urgent medical care needs. When this changes, we will update this web site. Please know that our vaccine supply is extremely small. 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.
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Sperm Retrieval surgeon, Dr. Occasionally, patients who are would like to have a reverse vasectomy find that there is a blockage, and sperm can not pass through to the ejaculate Obstructive Azoospermia. Microsurgical Epididymal Sperm Aspiration is retrieval of sperm from the epididymis by using microsurgical techniques, done in men with obstructive azoospermia. Sperm is first made within the testes and then travel to the epididymis, where the sperm is stored.
Often times, a couple will request sperm retrieval to be performed with Intra Uterine Insemination IUI as this is not very invasive and appears to be the least costly alternative for getting pregnant after a vasectomy. Unfortunately, sperm retrieved from the epididymis and testicle is not mature enough or adequate in quantity to get pregnant with this form of assisted reproduction. In fact, attempts at even performing conventional In Vitro Fertilization with testicular or epididymal sperm have been met with such poor success that most IVF centers today will only perform the more sophisticated Intra Cytoplasmic Sperm Injection ICSI procedure in cases where epididymal or testicular sperm is present, as is always the case after a vasectomy. When choosing a surgeon for your sperm retrieval, make sure that your surgeon specializes in all of the various techniques described for sperm retrieval.