Copernicus did not explain, however, exactly how he came to the conclusions that the problem lay in geocentrism and the solution in heliocentrism. As a result, experts have been trying to reconstruct his path to the heliocentric theory ever since.
There Is A Wide Range Of Normal. Normal menstruation can last from one to eight days. For most women with regular menstrual cycles, their period will last on average three to five days. But that doesn't mean that anything is wrong if your period is a few days longer or shorter. Your period is unique to you and how much you bleed and for how many days you bleed will not be the same as anyone else.
Your period cycle, or average cycle length, is the length of time in days from Day 1 of one period to Day 1 of the next one. Normal menstruation can be anywhere between 2-7 days long, with a normal expected blood loss of 10-80 mL per period.our period cycle, or average cycle length, is the length of time in days from Day 1 of one period to Day 1 of the next one. Normal menstruation can be anywhere between 2-7 days long, with a normal expected blood loss of 10-80 mL per period.