Abstract image of a sperm and egg fusing, but can't quite develop into a clear blastocyst.

When ‘Perfect’ Embryos Still Miss: Low AMH, Egg and Sperm Quality, and the Metabolic‑Immune Roots of Blastocyst Conversion Rates

July 28, 2026
Custom HTML/CSS/JavaScript
Greg McCue

Greg McCue

Greg McCue founded East to West Fertility to address the metabolic and immune causes of infertility and recurring pregnancy loss. After 7 years in clinical practice treating a wide variety of metabolic disorders with medical acupuncture, Greg went back to study Biology and Endocrinology at Columbia University. His clinical approach bridges the multimillennial East Asian (medical acupuncture and herbalism) clinical success in the treatment of infertility and recurring pregnancy loss, with cutting edge clinical research into Reproductive Immunology and Reproductive Endocrinology.

Instagram logo icon
Youtube logo icon
Back to Blog