MESA (Microsurgical Epididymal Sperm Aspiration) is a surgical sperm extraction approach done in males with vasal or epididymal obstructions, to retrieve sperm-containing fluid from epididymis. This procedure, used with ICSI (Intra-Cytoplasmic Sperm Shot), has proved to be of tremendous advantage in cases of obstructive azoospermia, where sperms are produced in satisfactory figures but are obstructed from touring from the testicle to the ejaculate. This process is also done when the vas deferens...
