- bisexual
- Romantic attraction, sexual attraction, or sexual behavior toward both males and females, or to more than one sex or gender.
- degeneracy
- Also degeneration theory. A 19th century theory that homosexuality and bisexuality was akin to criminality, alcoholism, and drug addiction
- gender affirming hormone therapy
- A form of hormone therapy in which sex hormones and other hormonal medications are administered to transgender or gender nonconforming individuals for the purpose of more closely aligning their secondary sexual characteristics with their gender identity.
- gender affirming surgery
- See also sex reassignment surgery. A surgical procedure (or procedures) by which a transgender person’s physical appearance and function of their existing sexual characteristics are altered to resemble that socially associated with their identified gender.
- gender dysphoria
- The distress a person feels due to a mismatch between their gender identity and their sex assigned at birth.
- gender expression
- A person’s behavior, mannerisms, interests, and appearance that are associated with gender in a particular cultural context, specifically with the categories of femininity or masculinity.
- gender identity
- The personal sense of one’s own gender, which can correlate with assigned sex at birth or can differ from it.
- gender nonconformity
- See also gender variance and genderqueer. A behavior or gender expression by an individual that does not match masculine or feminine gender norms.
- hermaphrodite
- Biologically, an organism that has complete or partial reproductive organs and produces gametes normally associated with both male and female sexes.
- homosexual
- A person with a romantic attraction, sexual attraction, or sexual behavior with others of the same sex or gender
- incidence
- A measure of the probability of occurrence of a given medical condition in a population within a specified period of time.
- intersectionality
- Overlapping or intersecting social identities, such as race, class, and gender and related systems of oppression, domination, or discrimination.
- intersex
- Intersex people are individuals born with any of several variations in sex characteristics including chromosomes, gonads, sex hormones, or genitals.
- minority stress model
- A sociological model, as proposed by Ilan Meyer, which attempts to explain why sexual minority individuals, on average, experience higher rates of mental health problems relative to their straight peers.
- pansexual
- The sexual, romantic or emotional attraction towards people regardless of their sex or gender identity.
- prevalence
- The proportion of a particular population found to be affected by a medical condition (typically a disease or a risk factor such as smoking or seat-belt use).
- sexually transmitted infections
- Infections that are commonly spread by sexual activity, especially vaginal intercourse, anal sex and oral sex.
- sex reassignment surgery
- See also gender affirming surgery. A surgical procedure (or procedures) by which a transgender person’s physical appearance and function of their existing sexual characteristics are altered to resemble that socially associated with their identified gender.
- third sex
- A concept in which individuals are categorized, either by themselves or by society, as neither man nor woman.
