http://www.moonsong.com.au/understandingcycles.html
To explain to her poor husband why she’s feeling insane during certain times of the month, Wendy Bryan of I Heart Guts (who makes gems like the Testicle Plush and other internal organ plushies) created this fantastic The Good Ol’ Menstrual Cycle poster.
Posted by http://www.neatorama.com/