last month i got my period in the march 2, noting that on febrerury i got my period on the 2, but the problem is that it last around 3days, and it usually lates around 5 days. also i got nervous because this month i got it on the 3 rd of april but today is the 3rd day and there is a few blood. what might be the problem?? i am very nervous about this... thank you. i am 22 years old