For too many of us, thanks to a lingering societal idea that menstruation is embarrassing or shameful, that first speck of blood is entry to a very secretive club; you start hiding your tampons in your sleeve as you go to the bathroom, quietly suffering through period cramps, and speaking about your menstrual cycle in euphemisms (think Aunt Flo and ‘time of the month’, for starters).

And, for many, things are even worse: earlier this year, it emerged that girls in Leeds, UK, were missing school during their periods as they were unable to afford sanitary products.

However, Kristin Heavner – who teaches at a high school in Southgate, USA – has taken to Facebook to share her advice on making sanitary products more easily available for students.

Teacher’s tip for helping girls feel comfortable on their periods goes viral