Template:Anti-Mullerian Hormone Vignette
|uterus and vagina, historically named after him as the "Müllerian duct". The current terminology is the "paramesonephric duct".
Alfred Jost (1916-1991), a French endocrinologist researcher, first discovered in 1947 Anti-Mullerian Hormone he used a rabbit model to identify this hormone as responsible for Müllerian duct (paramesonephric duct) regression during fetal rabbit development. His findings explained several abnormalities of sexual development. This included the "freemartin calf", that acquires AMH from a male twin in utero generating an infertile female with masculinized behavior and non-functioning ovaries.