Some periods can be as short as 3 days while others could be a week or two. I've heard of one instance where a girls period went for 26 days! However periods usually last on average about 5-7 days.
From 1-7 days
Anywhere from 3 to 7 days.
If you have regular periods then 5-6 weeks is too long since your last period. If you are 16 years old, you may be experiencing irregular periods. It happens.
While on birth control, your periods should last just as long as when you're not on birth control. Some women regularly experience 2-3 day periods while other women can regularly experience 6-8 day periods.
For Girls it is usually Menstruation, periods begining. For boys it is generally the voice deepening.
Girls have had periods since well, ever! A period is when blood is realised out of a girls vagina. That's it basically
Most periods last from 3-5 days but it can vary from person to person.
Usually mine last 5 to 7 days but some people's only last 4 days
Short Periods of time like about a month or two.
3 months
Periods have nothing to do with sexual orientation. Lesbians are just as capable of menstruating as straight girls.