Menstrual cycle

The menstrual cycle, also known as a period or that "time of the month", was an aspect of female reproduction.

Peril Bellamy once noted that she became "emotionally labile" just before her period. Lorris Hunsdon was slightly bothered by Peril talking about her menstrual cycle. (PROSE: Bernice Summerfield and the Library of Books)

The Thirteenth Doctor took Yasmin Khan to the TARDIS Hungarian bathroom to make her feel better during her "time of the month," giving her a hot water bottle, a bar of chocolate, and telling her the story of how her eleventh incarnation met Amelia Earhart. (PROSE: Chasing the Dawn) For women, the tantra connected to blood and the lunar month. Chocolate was known to force the production of serotonin, giving it a reputation for both calming and "synchronising" a woman's menstrual cycle. (PROSE: The Adventuress of Henrietta Street)

In the far future, the Braxiatel Collection created a copy of Bernice Summerfield. On days 256 and 1024, she noted in her diary that she did not menstruate. (PROSE: A Bell Ringing in an Empty Sky)

Some traditions placed great importance on the menstrual cycle. Witch-cults would not admit a young woman until she had begun to menstruate. (PROSE: The Adventuress of Henrietta Street)