Period Products Tested With Human Blood For the First Time Ever: What We Know

Till now, the use of saline or water has been done to assess how absorbent these products are.

For the first time ever, a study published in the BMJ Sexual & Reproductive Health compared absorption levels of menstrual products, including tampons, pads, cups and menstrual discs, using human blood.

This was the first time red blood cells were used in such a study.