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Bigender

"Bigender" is the claim to have "two genders simultaneously or alternately." Logically, this presents a dilemma: either the two are compatible — in which case they are not two — or they exclude each other — in which case they cannot be true simultaneously. A dogma that only works if gender is a feeling, not a fact.

Definition according to proponents

A dual-gender identity, usually male and female, sometimes combined with non-binary positions. Some proponents posit "simultaneously," others "alternately." The choice shifts at will and is, by definition, untestable.

Origin: early online glossaries

The term appears in early online glossaries (2000s) and spread via Tumblr and TikTok — see spread since 2010. Prevalence figures are lacking; reliable estimates are not possible because self-reporting is the only source.

Criticism: only workable if gender is a feeling

The concept of "two genders at once" only works if gender has no anchoring in the body, chromosomes, or gametes , or a long-term social role. As soon as you conceive of gender as a feeling, "two at once" is possible; as soon as you conceive of it as reality, it is not. The choice of "feeling" is precisely what makes the construct of gender identity unsuitable for scientific work, legal frameworks, or medical treatment. There is no marker that confirms or refutes bigender.

Bigender is often presented as proof of the complexity of human identity. The criticism: complexity of self-reporting is not complexity of reality. It is circular reasoning and a textbook example of unfalsifiability . Anyone who criticizes is dismissed as a hater — the creed brooks no scrutiny.

Damage: medical interventions for two conflicting genders

Bigender self-identification sometimes leads to partial medical pathways — hormones, mastectomy — to physically shape "both sides." Irreversible damage based on a logical contradiction. The Cass Review (2024) warns against medical confirmation without a stable clinical diagnosis; transition does not heal — see detransition research .

Related identities

• Gender fluid — alternation as a core characteristic.

• Pangender — limiting case (all genders).

• Polygender — more than two.

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