A normal period will last 3-7 days hun.
You can't predict how long your first period will last because you need to keep track of how long your first few lasts in order to predict how long one will last. For most people it lasts about a week.
About 4 to 5 min
it can last 3-7 days
6 weeks
Your period should last about 2 weeks the most..
Five to 10 minutes
It depends what you are training for.
it will take 10 to 15 days .
You work out how long it is since the FIRST day of you last period.
Most periods last from 3-5 days but it can vary from person to person.
Your period lasts as long as your body needs it to. I am not sure why you would want to make your period last longer but you should not try to altar your bodies natural cycles.
About 10 days.Mine lasted 4 days but everyone's is different.