User talk:BigManFred
Hi, are you sure you don't mean to refer only to the menstrual phase (day 1-4) of the menstrual cycle. I've not read the source that you quote as it is not online. The term period most commonly refers to the menstrual phase Menstruation of the menstrual cycle.
Cheers,Nk.sheridan Talk 23:53, 23 May 2008 (UTC)