For 4-5 days at the end of each ovarian cycle, a woman sheds almost a fluid ounce of blood. Blood loss during menstruation (Latin mens = month) — dubbed “the curse” in England — amounts to almost a ...

Have you ever heard two or more women say they’re on the same cycle? This is a common claim among women who live together, for example in a family or as housemates. This idea that people menstruate, ...