Definitions used in clinical settings, focusing on conditions with detectable differences in sex characteristics, often yield lower prevalence rates (around 0.018%).
https://statsforgender.org/it-is-not-true-that-1-7-of-the-population-is-intersex-the-proportion-of-people-with-dsds-intersex-conditions-is-0-018/#:~:text=between%20the%20sexes'.-,The%20proportion%20of%20people%20with%20DSDs,intersex'%20conditions)%20is%200.018%25&text=Conditions%20in%20which%20chromosomal%20sex,%E2%80%9D%20according%20to%20Fausto%2DSterling.