To your tl;dr I would add "... at conception, when there is only one cell." Also, it classifies people with ovotestes as both male and female, while those with

To your tl;dr I would add "... at conception, when there is only one cell." Also, it classifies people with ovotestes as both male and female, while those with gonadal dysgenesis are "neither male nor female if these nonsensical definitions are applied."