Average Period Cycle

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Average period cycle. The average age of menarche is 1215. At age 20 the average cycle length is typically around 298 days by age 40 the average cycle length has decreased to around 27 days 2. A typical period cycle is 28 days.
The average length of a normal menstrual cycle is 28 days. The average menstrual cycle is 28 days long while menstrual bleeding usually lasts 3-5 days. The length of the menstrual cycle varies from woman to woman but the average is to have periods every 28 days.
The average follicular phase lasts for about 16 days. The average menstrual cycle is about 25-30 days but it can be as short as 21 days or longer than 35 its different from person to person. Actually the average menstrual cycle length changes with age.
It is controlled by the rise and fall of hormones. It is a cycle that usually begins between 12 and 15 years of age that continues up until menopause which on average occurs at the age of 52. On average a cycle lasts 28 days but a normal menstrual cycle could be as short as 22 days or as long as 36 days.
Though the average cycle is 28 days long anything between 21 and 45 days is considered normal. The menstrual cycle is typically counted from the first day of one period to the first day of the next. This first period often occurs later in the developing world than the developed world.
The number of days in your cycle may also vary from month to month. Its also when you get your period. If you have a regular 28-day cycle you will start your period every four weeks.