Correcties

Ortografia correta

• In 1867, an American with an unknown identity invented the first menstrual cup, it was a bag, which was inserted into the vagina and still so stuck in a kind of belt.

• But it never came to be marketed.

• Years later, in 1937, the American Leona Chalmers invented and patented the first commercial menstrual cup.

• It was made of rubber.

• But with the outbreak of World War II, the scarcity of rubber led to the end of production.