The play depicts two women biologists meeting for the first time, one near the end of her career and the other at the beginning.
The younger wants to present a radical new hypothesis to explain why human females menstruate while most mammals do not.
The play deals with the workings of science and its impact on the personal lives of women scientists.
[8] The New Jewish Theatre in St. Louis, Missouri produced the play in February 2018.
[9] The play draws on the work of scientist Margie Profet, who theorized that menstruation clears the body of toxins.