The menstrual cycle is generally 28 days long. Will there be more than 28 days?

Patient's question:

I got my period on the 29th of last month, but today is also the 29th, and my period hasn't come yet. Is that normal?

Doctor's answer:

Hello, yes, it depends on individual constitution. Some people have it in 25 days, while others may have it in 35 days. You don't need to worry. It is normal to have a week or so earlier or later than your usual menstrual cycle.