Medically reviewed by Monique Rainford, MD Tampons are pressed cotton cylinders used internally to collect menstrual flow.

She told BuzzFeed, "When I saw those two tampons side by side, I finally put together why R [regular] size had been so useless and why I had been using U [ultra} size when I never have even used ...

Using the same tampon size Usually, our flow starts heavy at the beginning of our period and then gradually reduces towards the end. And if you use tampons regularly, you should alternate the ...