Menstruation
Menstruation is the most visible phase of the menstrual cycle and its beginning is used as the marker between cycles. The first day of menstrual bleeding is the date used for the last menstrual period (LMP). The typical length of time between the first day of one period and the first day of the next is 21 to 45 days in young women, and 21 to 31 days in adults (an average of 28 days).
28 (film)
28 is a 2014 Sri Lankan feature drama film directed and produced by Prasanna Jayakody. The film starred by Mahendra Perera and Semini Iddamalgoda in lead roles along with Rukmal Nirosh, Sarath Kothalawala. "28" revolves how three men transport the body of a woman, who was raped and murdered, in an old van. One of the men will find out that the woman is his estranged wife.The film name is given considering that the average menstrual cycle of a woman is around 28 Days. (Which is also equal for the moon to complete one full orbit around earth).