My Life Follows A Certain Cycle... Period. Postcard
Showcase to the world that you know all about your menstrual cycle with any of these educational, scientific gifts featuring estradiol and progesterone, the two key hormones involved in menstruation. Comes with the tongue-in-cheek scientific truism "My Life Follows A Certain Cycle... Period." Word-play gifts that will make others do a double-take on exactly what you mean when you say that your life follows a certain cycle!