Menstrual products from various decades, © Staatliche Museen zu Berlin, Museum Europäischer Kulturen / Christian Krug Binding belt, used in Berlin, probably 1960s, © Staatliche Museen zu Berlin, Museum Europäischer Kulturen / Christian Krug Educational brochure "Discreet Women's Issues", detail, Berlin, around 1923, © Staatliche Museen zu Berlin, Museum Europäischer Kulturen / Michael Mohr