The estrogen resistance pride flag.

Estrogen Resistance or Estrogen insensitivity syndrome or EIS is an extremely rare intersex trait only known to affect one person so far. Individuals with estrogen resistance have defective estrogen receptors (ER) and cannot achieve their goal.

Resources

  1. https://www.sciencedirect.com/science/article/abs/pii/S0303720701004324?via%3Dihub
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