IvfOPEN: Advanced Egg, Sperm, And Embryo Identification For A Safer IVF Industry.  The first social security numbers were assigned in 1936. VIN numbers for automobiles were introduced in 1954. ISBN numbers for books started in 1970. The first UPC grocery scan was performed in 1974 on a pack of gum. How can we justify not implementing a single source of truth system for IVF?