What is the typical duration of the uterine cycle in days?

The typical duration of the uterine cycle, also known as the menstrual cycle, is generally around 28 days. This cycle is divided into several phases, including the menstrual phase, follicular phase, ovulation, and luteal phase. While individual cycles can vary in length, with some women experiencing shorter or longer cycles, the average is often cited as approximately 28 days.

This cycle is characterized by changes in hormone levels and can influence various physiological processes in the body, such as the thickening of the uterine lining and the release of an egg. While 21 days, 35 days, and 14 days might represent variations that some may experience, they do not reflect the typical or average cycle duration most widely recognized in human biology.