 On the other hand, the meanings and significance which we attach to our materiality do not float free of that materiality. The way the body is lived by us has to accommodate the data which biology variably tries to capture, including facts of reproduction, menstruation and menopause. “Sex” for Beauvoir was not, then, a biological category. It is, as Sandford (2006), points out an existential one. And in exploring what constituted existing as a woman, biological data was just one of the constituents.