Hence, a menstrual period is the shedding of the uterus lining. The duration of a menstrual period on the average is between three to five days. As such, a period that lasts between two to seven days is considered normal. The amount of blood lost in each cycle is measured between four to twelve teaspoons.
Not surprisingly, UY Scuti is classified as a hypergiant star â which is the classification which comes after supergiant and regular giant. Its size may make it the biggest, but it is not the most massive star (where the mass in massive stands for the amount of matter in the star).
Another popular contender is the NML Cygni. It is also a red hypergiant and the following article from July 2013 claims it is bigger than VY Canis Majoris: NML Cygni - The Largest Star We Currently Know of in the Universe. W26 is yet another star that was the biggest known for a while.