noun –  refers to the biological distinctions that exist between male, female, and intersex people with respect to reproductive anatomy, sex chromosomes, and/or specific genes.1 Based on these biological distinctions, most infants are assigned a sex at birth according to the binary-framework of male or female.2

Sex is often described using the words:

  • Femaleadj or noun
  • Intersexadj
  • Maleadj or noun


  1. Short, S. E., Yang, Y. C., & Jenkins, T. M. (2013). Sex, gender, genetics, and health. American journal of public health103 Suppl 1(Suppl 1), S93–S101.
  2. Lehman, J.R., Diaz, K., Ng, H., Petty, E.M., Thatikunta, M., Eckstrand, K. The Equal Curriculum. Cham, Switzerland: Springer Nature Switzerland. 2020.