5. Moi, Toril. What is a Woman? And Other Essays. United Kingdom: Oxford University Press, 2001. p. 42.
6. "Her first menstruation reveals this meaning, and her feelings of shame appear. If they were already present, they are strengthened and exaggerated from this time on. All the evidence agrees in showing that whether the child has been forewarned or not, the event always seems to her repugnant and humiliating." de Beauvoir, S.
(2011). The Second Sex. p. 310
7. Laws, Sophie., Campling, Jo. Issues of Blood: The Politics of Menstruation. United Kingdom: Palgrave Macmillan UK, 1991.
9. "What would it mean to diminish these difficulties, inequalities, and shames women face as menstruators in contemporary supposedly sexually egalitarian societies? It would mean publicly accepting menstruation as an ordinary and unremarkable, if still bothersome, process." de Beauvoir, S.
(2011). The Second Sex. p. 117.