menstruation
noun
[ mɛnstrʊˈeɪʃ(ə)n ]
• the process in a woman of discharging blood and other material from the lining of the uterus at intervals of about one lunar month from puberty until the menopause, except during pregnancy.
Similar:
period,
menstrual cycle,
the curse,
monthlies,
one's/the time of the month,
being on the rag,
menses,
menarche,
show,
menorrhoea,
time,
catamenia,
flowers,