by Dr. Geoffrey Sher | Jun 6, 2016 | Uncategorized
Men with no sperm in their ejaculates (azoospermia), whether due to non-obstructive or obstructive (usually post-vasectomy) causes, can have their sperm accessed surgically and still propagate pregnancies. There are 2 methods by which this can be achieved. : 1) TESE...
by Dr. Geoffrey Sher | Jun 4, 2016 | Uncategorized
Embryo transfer (ET) is undoubtedly a rate limiting factor when it comes to IVF outcome. In fact, in my opinion, it is the single most important procedural step in IVF. Optimal performance of ET takes practice, confidence, dexterity, timing, gentility and skill. Out...
by Dr. Geoffrey Sher | May 26, 2016 | Uncategorized
Intracytoplasmic Sperm Injection ICSI, which began in 1992 as a treatment for severe male factor infertility, involves the direct injection of a single sperm into each egg under direct microscopic vision.Soon after the turn of the 20th century, it was reported that...
by Dr. Geoffrey Sher | May 24, 2016 | Uncategorized
Until less than a decade ago, most women undergoing IVF would have their embryos transferred to the uterus in the same cycle that the egg retrieval was performed (“Fresh” Embryo Transfer). This was because embryo cryopreservation (freezing) was a hazardous...
by Dr. Geoffrey Sher | May 22, 2016 | Uncategorized
About a decade ago, we, (Sher, and Keskintepe, L; et al) introduced full chromosomal karyotyping for preimplantation genetic sampling – (PGS) to assess egg/embryo “competency” for IVF. We performed and reported on 3 separate studies that served to herald...