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.
A normal menstrual cycle usually has a length of 28 days, where a woman usually ovulates at mid-cycle and menstruates for 5-7 days approximately two weeks after ovulation.The first day of menstruation marks the beginning of a new cycle, two weeks after which another ovulation occurs.This occurs 11-13 times a year, and menstrual cycles may normally vary to be as short as 21 days or as long as 35 days. The duration of a normal menstrual period may also vary among different women.he first day of menstruation marks the beginning of a new cycle, two weeks after which another ovulation occurs. This occurs 11-13 times a year, and menstrual cycles may normally vary to be as short as 21 days or as long as 35 days. The duration of a normal menstrual period may also vary among different women.