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MESA 2017-04-27T07:01:31+00:00


What is MESA?

Microsurgical Epididymal Sperm Extraction (MESA) is a procedure used in conjunction with ICSI in which sperm from the male patient is obtained from the epididymis, an organ which is located on top of the testis where sperm collect and mature.  If the epididymis itself is blocked or absent sperm can be extracted from the testicles. This technique is used for men with no sperm in their semen because of a blockage or an absence of the vas deferens (the tube which leads from the testis). The men may be producing sperm in large numbers, but because there of the blockage or absence of the vas deferens none will be seen in the semen. This condition is similar to a man who has had a vasectomy.


RSMC offers one of the most experienced fertility labs in San Diego

Our highly-experienced embryologists and lab specialists have over 30 years combined experience with a variety of situations, including some of the most challenging fertility cases. During that time, they have successfully performed numerous fertility treatments. The San Diego RSMC location consists of a state-of-the-art lab on-site, as well as, a full-time laboratory director.  This allows us maximum flexibility in the timing of the delicate procedure. Every situation is unique and there are so many factors that can affect fertility. Having an experienced team gives you the best chance for a successful pregnancy and of growing your family.



RSMC has a comprehensive medical team with leading physicians in the field of reproductive medicine.  We have the expertise to coordinate a MESA procedure with a fresh IVF cycle or .to use frozen sperm that has been collected in an earlier surgical aspiration procedure.