In some premodern societies, no precautions were taken by most women (Noblewomen behaved differently). Women just wore skirts and it dripped onto the ground.
I remember reading a primary source about how young men in renaissance Germany would see the spots on the ground as a sign of fertility, and desirability.
I remember reading a primary source about how young men in renaissance Germany would see the spots on the ground as a sign of fertility, and desirability.