by Dr. Geoffrey Sher | Nov 11, 2020 | Amenorrhea, Embryo, Estrogen, Gonadotropin, IVF, Thin Uterine
An absence of menstruation (amenorrhea) in reproductive age women is usually due to an absence of ovulation (anovulation). If this becomes prolonged, then these women are at risk for the ill effects associated from chronically low estrogen levels...
by Dr. Geoffrey Sher | Apr 24, 2020 | IVF, Ovarian Stimulation
Ovulation occurs within 38-42 hours of initiation of the spontaneous luteinizing hormone (LH) surge (which can be detected in the blood or urine prior to this event) and/or hCG administered following controlled ovarian stimulation (COS) with gonadotropins. One or more...
by Dr. Geoffrey Sher | Mar 5, 2019 | IVF, IVF Outcome, IVF Special Interest Group, SART, The Society for Assisted Reproductive Technology
IVF practitioners, and consumers have little reason to feel confident about the validity and reliability of SART published ART outcome statistics and here is how I reach this conclusion: About 30 years ago, I was a member of a steering committee charged by the...
by Dr. Geoffrey Sher | Dec 10, 2018 | Case Studies, Controversial Post, Failed IVF, Infertility, IVF
Given rapidly changing practices in the IVF arena, it is becoming increasingly implausible to reliably interpret current national reports expressing IVF outcome statistics as birth rate per initiated treatment cycle, per egg retrieval procedure or per embryo transfer...
by Dr. Geoffrey Sher | Dec 3, 2018 | gender identification testing, Genetically Testing IVF Embryos, IVF, IVF Genetic Screening
Preimplantation genetic testing (PGT) involves testing pre-implantation embryos for chromosomal numerical abnormalities (aneuploidy). Preimplantation genetic diagnosis (PGD) involves genetic testing of embryos for specific genetic conditions. The objective of both PGT...
by Dr. Geoffrey Sher | Nov 14, 2018 | IVF
Embryo transfer (ET) is undoubtedly the single most important step in IVF. It takes confidence, dexterity, skill and timing to optimally perform ET. Of all the procedures conducted in IVF, embryo transfer is the most difficult to perfect. Sadly, far too many women...