Facts about the Period
- 06
Uterine contractions during menstruation reach intensities of 0.5 to 1 kiloPascal, comparable to labor contractions, causing the cramping pain experienced by approximately 50% of menstruating individuals.
- 05
Menstrual blood contains endometrial tissue, white blood cells, and bacteria, making it chemically distinct from regular blood despite containing similar iron content.
- 04
Iron loss during menstruation averages 15 to 30 milligrams per cycle, requiring menstruating individuals to consume approximately 18 milligrams of iron daily compared to 8 milligrams for non-menstruating adults.
- 03
Hormonal fluctuations during the menstrual cycle cause progesterone levels to peak at approximately 20 nanograms per milliliter during the luteal phase, roughly 10 times higher than follicular phase levels.
- 02
Approximately 800 million people menstruate globally on any given day, generating roughly 200,000 tons of menstrual waste annually through pads, tampons, and applicators.
- 01
Menstruation lasts approximately 3 to 7 days on average, with the typical menstrual cycle occurring every 28 days, though cycles can range from 21 to 35 days.