From the onset of puberty at 11-12 years of age until menopause in middle age, menstrual cycles play a major role in the lives of girls and women.
Although it is not uncommon for periods to fluctuate throughout a woman's lifetime, they are generally considered to be regular if menstruation lasts between three to five days, with a cycle between 21 days and 35 days.
So if you happen to be experiencing longer periods, you may understandably be concerned.
If, for example, you are experiencing two-week-long periods as opposed to the regular three to 5 days, read through the following reasons to get some clue as to what may be the cause of your period irregularities.
1) Dysfunctional Uterine Bleeding (DUB)
Dysfunctional uterine bleeding, or DUB, is a condition where abnormal uterine bleeding presents itself. According to WebMD, this is not a serious condition.
DUB most commonly occurs when the ovaries do not release an egg.