Fig. 5: Diagram of experiments conducted on menstrual cups before launch and after flight.
From: One giant leap for womankind: first menstrual cups tested in spaceflight conditions
Experiments before launch (left) and after flight (right). Ground control cups are outlined in black, while experimental cups are outlined in pink. Gray and yellow filled colors indicate tests using water (to assess material integrity) and glycerol (a blood analog), respectively.
