How To Calculate Days in a Menstrual Cycle

The menstrual cycle is a single aspect of femininity that has always boggled the minds of men.  In fact, this entire natural reproductive process found only in women becomes a big issue whenever it comes around once a month.  Know that the cycle differs from women to women and may be affected by various outside factors.  Nevertheless, there is a standard way for you or anyone, for that matter, to count the days in a menstrual cycle accurately.  An accurate count can actually prove beneficial in family planning and in avoiding certain health complications in relation to the reproductive system.  Here are some tips on how you can count the entire 25 to 35 day menstrual cycle accurately.

  • Know the standard.  Technically, the standard menstrual cycle is 28 days.  This is for normal women having normal reproductive functions.  However, once in awhile outside factors or health issues may significantly affect the cycle through either reducing or increasing the total days of the cycle at a given month.  Some factors can be the proximity of other women, the food you eat, and medication.  In any case, know that the baseline or standard is 28 days, give or take a few days.
  • Start on day 1.  To start counting the days of your menstrual cycle, take note of the exact date of the first day of menstruation.  This is the first day of blood gushing out.  Now that you know this date, get a pen and a calendar and mark it down so that you don't forget.  Knowing when day 1 of your cycle was will be very critical when counting so make sure you take not of this date.
  • Keep counting.  From day 1, count the days until you reach your next cycle.  This will be the baseline for you to figure out the days you are fertile and the days you are safe.  It will provide you an estimate on the actual day your next cycle will come.  Anyway, keep counting until you reach your next menstrual cycle.  For example, if day 1 of the first cycle was March 1 and day 1 of the succeeding cycle is March 29, then your menstrual cycle is around 28 days and is perfectly normal.
  • Keep counting even more.  All right, now that you have two cycles in the bag, don't get cocky.  Each cycle can change significantly.  This being said, if you want a more accurate view of the days in your cycle, repeat the counting process for about 4 to 6 more cycles.  During the counting, make sure to take note of the last day of menstruation as well to determine your fertile days and non-fertile days.   Doing the counting for several consecutive cycles will give you a more accurate count of the days between each cycle.

When counting the days in each cycle, take note that these can change instantly.  Some women, for no visible reason, change their menstrual cycle from time to time.  It could be based on different environmental factors.  In fact, the moon and the tides somehow are relevant to a woman's menstrual cycle as well.  In any case, make sure to keep these into consideration and make adjustments when these changes occur.


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