The menstrual cycle is from Day 1 of bleeding to Day 1 of the next time of bleeding. Although the average cycle is 28 days, it is normal to have a cycle that is shorter or longer.Girls usually start having menstrual periods between the ages of 11 and 14. Women usually start to have fewer periods between ages 39 and 51. Women in their 40s and teens may have cycles that are longer or change a lot.he menstrual cycle is from Day 1 of bleeding to Day 1 of the next time of bleeding. Although the average cycle is 28 days, it is normal to have a cycle that is shorter or longer.
If you have employees, including household employees, keep your employment tax records for at least four years after the date that payroll taxes become due or is paid, whichever is later. This should include forms W-2 and W-4, as well as related pay information including benefit forms.
How long should I keep my returns? In most cases, you should plan on keeping tax returns along with any supporting documents (e.g., W-2s, mileage logs if you itemize, etc.) for a period of at least three years following the date you filed or the due date of your tax return, whichever is later.