Your period also should not last longer than 7 days.

Your period will usually last 3 to 7 days each month.

This period of training would often last for several months.

This period may last from six months to a year.

That period can last several months, in some cases more than a year.

This period may last from minutes to days and is typically longer for men than women.

The second period lasted from the 9th to the 11th century.

His period of power had lasted less than a week.

New evidence has led scientists to believe that the present warm period could last another 10,000 to 20,000 years, or even longer.

The period of the investigation could last for several months or, in some extreme cases, years.