Periodical

Periodical is a documentary from the United States that examines the human body through the lens of the menstrual cycle. The film explores the biological processes and mysteries of this cycle, tracing the experience from the onset of a person's first period through to their last.

Directed by Lina Plioplyte and produced by Pegah Farahmand, the production involved XTR, MSNBC Films, and Lyte Films. The film features a cast of 26 credited individuals appearing as themselves, including Naomi Watts, Gloria Steinem, Megan Rapinoe, Jennifer Conti, Laura Strausfeld, and Madeleine Morales. With a runtime of 95 minutes, the movie has received a positive reception from viewers, maintaining a 7.7 rating on IMDb based on 90 votes.