A menstrual sponge can be one of two things: part of a real, living sea sponge or part of a synthetic one. Either way, they’re said to be very absorbent and act a bit like a tampon without the string.

Add Yahoo as a preferred source to see more of our stories on Google. Pads, briefs, sponges, cups, tampons: the choice of period products is getting bigger and bigger. And there are more and more ...