Extreme FSH (Maximum Follicle-stimulating Hormone): Fertility Ramifications Medically examined by Norbert Gleicher, MD, FACOG, FACS – compiled by CHR associate – up to date on Apr 30, 2020 What exactly is High FSH? Significant FSH was a sign of diminished ovarian book (DOR), a frequent and sometimes unnoticed factor in female infertility. Enhanced rates reveal