Cogenitor

A Cogenitor is a third gender individual within the Vissian species, a fictional alien race in the Star Trek universe, specifically appearing in the Star Trek: Enterprise episode of the same name. Cogenitors are biological beings essential for the Vissian reproductive process. They are required to join a male and female in a trilateral sexual act to produce offspring.

Upon reaching maturity, a Cogenitor is typically assigned to a married couple. The couple is responsible for the Cogenitor's education and well-being, and the Cogenitor lives with them for the duration of their reproductive life. Once the Cogenitor's reproductive capabilities cease, they are returned to a Vissian institute.

Cogenitors are typically treated as less than full members of Vissian society, with limited rights and autonomy. They are considered property by the couples they are assigned to and are not allowed to make independent decisions about their lives or their reproductive functions.

The concept of the Cogenitor explores themes of gender roles, societal expectations, and the ethical implications of reproductive technologies. It raises questions about the value placed on individuals based on their biological functions and the potential for exploitation within complex social structures. The treatment of Cogenitors within Vissian society is portrayed as problematic and prompts consideration of more equitable and compassionate approaches to social organization.