# How to Calculate Menstruation Cycle?

To calculate the menstrual cycle, mark on your calendar on the first day of menstrual bleeding and final day of menstrual period. Next, mark the subsequent first day of menstrual bleeding again as cycle day 1 on your calendar. Then, count the number of days on the calendar from the first 'cycle day 1' to the last day before the second 'cycle day 1' marking to determine the length of your menstrual cycle.
Q&A Related to "How to Calculate Menstruation Cycle"
 Menstrual cycle is calculated as day 1 being the the beginning of menstrual bleeding. Day prior to the onset of the next menses is the last day of menstrual cycle. http://answers.ask.com/Health/Other/how_to_calcula...
 "Cycle" as in circle : each step is repeated over and over again. http://wiki.answers.com/Q/Why_menstruation_conside...
 Count from the first day but its no guarantee because most cycles aren't 28 days that is just an average. I use an online calendar that becomes more accurate the more cycles you log http://answers.yahoo.com/question/index?qid=200909...
 1. Construct a waveform, also referred to as a state diagram, on graph paper. Draw a horizontal straight line of any arbitrary length. For this example, draw a horizontal line that http://www.ehow.com/how_6162485_calculate-duty-cyc...
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Menstruating is the discharge of blood and other materials from the lining of the uterus as part of the menstrual cycle. This process happens every month in women ...
If you want to calculate a womans menstrual cycle and determine its length, you just need to count the days from the first day of menstruation to the last day ...
The duration of your menstruation cycle depends on your body. Generally, women have a 28 day menstruation cycle. Some women can have a menstruation cycle as short ...