Extensive debate has been sparked in the international community about the necessity and effectiveness of treating varicocele.
But what is varicocele really?
Varicocele is the dilatation of the veins within the loose bag of skin that holds the testicles (scrotum), the coiled tube that carries the sperm out of the testicles towards the rest of…
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Surgical approach seems to make sense also in severe cases of polycystic ovaries that do not respond to medication. These patients may benefit from having 5-10 holes drilled through the surface of the ovary performed by diathermy, a procedure called ovarian drilling. Almost 80% of treated patients see regular periods every month, whereas previously they…
The egg is the second genetic material required for conception. And while the man is gifted with millions of sperm per ejaculation during his life, a woman has already been given since her embryonic days with a very limited number of eggs. As you can see in the diagram above, a female fetus starts during…
Spermatogenesis is a very complex process which seems to be influenced by a number of factors that may lead to the most common oligo-astheno-terato-zoospermia or even azoospermia. These factors that influence the stages of spermatogenesis or the release of sperm are the following
Chromosomal defects, translocations and inversions of genetic material, may be responsible for…
Excess embryos are now cryopreserved by the fast-freezing method named vitrification, which provides excellent survival rates compared to the slow-freezing method previously used.
Method of Preimplantation Diagnosis
For preimplantation diagnosis to happen, the patient undergoes IVF cycle, embryos are produced and either at the stage of 8 cells (3rd day) or at the stage of blastocyst (5th day) the embryos are biopsied. During biopsy, some cells are removed from the embryos and are sent for genetic analysis. In…