The menses phase: This phase, which typically lasts from day 1 to day 5, is the time when the lining of the uterus is actually shed out through the vagina if pregnancy has not occurred. Most women bleed for 3 to 5 days, but a period lasting only 2 days to as many as 7 days is still considered normal.You should get your period about once every month. A typical menstrual cycle is about 28 days. This means that there should be about 28 days from the first day of your period to the first day of your next period. 28 days is an average number, but anywhere between 21 and 35 days is normal.
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