A Rational Basis for Selecting a Stimulation Protocol

Dr. Geoffrey Sher - May 9, 2016
A Rational Basis for Selecting a Stimulation Protocol

Older women, as well as those who (regardless of age) have diminished ovarian reserve (DOR), tend to produce fewer and less “competent” eggs, the main reason for reduced IVF success in such cases. The compromised outcome is largely due to the fact that such women tend to have increased LH biological activity which often results in excessive LH-induced ovarian testosterone production, which can have a deleterious effect on egg/embryo “competency”. Certain ovarian stimulation regimes either promote excessive LH production (e.g. short agonist/Lupron- “flare” protocols, clomiphene and Letrozole), augment LH/hCG delivered through additional administration (e.g. high dosage menotropins such as Menopur), or fail to protect against body’s own/self-produced LH (e.g. late antagonist protocols where drugs such as Ganirelix/Cetrotide/Orgalutron that are first administered 6-7 days after ovarian stimulation has commenced). I try to avoid using such protocols/regimes, especially in older women and those with DOR, favoring instead the use of a modified, long pituitary down-regulation protocol (the agonist/antagonist conversion protocol-A/ACP) augmented by adding supplementary human growth hormone (HGH). I further recommend Staggered IVF with embryo banking of PGS (next generation gene sequencing/NGS)-normal blastocysts in such cases. This type of approach will, in my opinion, optimize the chance of a viable pregnancy per embryo transfer procedure and provide an opportunity to capitalize on whatever residual ovarian reserve and egg quality still exists, allowing the chance to “make hay while the sun still shines”.


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