Menstrual cycles, also commonly referred to as periods, have several synonyms that are used in different regions and contexts. Some commonly used synonyms for menstrual cycles include monthly cycle, menses, period, menstruation, menstrual flow, and monthly rhythm. Others refer to it as the curse, monthly visitor, or "that time of the month." The term bleeding, especially when describing the discharge, is also commonly used. Women have used different euphemisms across cultures to refer to their periods depending on cultural and social norms, and a few examples include "Aunt Flo," "red tide," "riding the cotton pony," and "shark week." Overall, the menstrual cycle has various synonyms that people use to describe this fundamental aspect of women's reproductive health.