If you mean high school, just wait when the bell rings
after you have finished with your periods and before the next periods starts .
Women want to know when their next periods are due so that they can be prepared. Women would need to know when their period is due to know to use menstrual products to avoid staining clothing.
Around 8 - 80 and then you stop
You know that your periods aren't regular because they'd not be coming on a regular basis like they were supposed to. When we talk of irregular cycles we mean weeks or months difference between one cycle and the next or/and mid-cycle spotting.
Yes they know what periods are but i dont think they care
How are we supposed to answer this? We don't know your menstrual cycles to know when your periods may be due, you should know this to determine your next period.
get ah prego testt , you can have your first period , i know people that had there next 2 periods but was prego.
The info that you need to know about periods is that you will require a tampon if you are having periods and you want to engage in an activity such as swimming.
You can know the pregnancy status before the due date of periods. It is expensive. There is no advantage to know it before ten days of missed periods.
Not everone has three periids a month. I have atleast one every two months abd i never know when the next one will come.
periods could happen twice in one month, but the next month, you might miss
As you may know, the frequency of periods is not absolutely regular, and is different in different women, but the usual cycle is about 28 days. Your next period might therefore have been around 17th November.