Tampons, sanitary napkins, and other menstruation-related items (Ibuprofen, anyone?) are straightforward to anyone who understands how women's bodies work. There's no mystery or confusion there, it's just...how they function. I'm thrilled that in my short lifetime, men and boys have made serious strides re: being idiots about periods. In high school, if I handed a male friend a tampon, he reacted like 'Carrie' in that locker room scene: terrified and disgusted.
These days, they're generally unfazed. I once sat in a friend's white chair and left a large, red stain on it. He didn't care and even helped clean it up! Thanks, Justin (real name).
However, a lack of understanding around women's reproductive systems persists. One Tumblr user recently divulged a workplace story that illustrates how stigmatizing women's bodies' natural functions - a stigmatization that begins with misunderstanding - affects legislation. Make sure your IUD is secure, then continue reading.