you will never exactly know when you will get your period however there are some signs that your period is on its way . The first 's signs are growing pubic hair and having discharge which is a whitish stuff coming out of your private about 6 months after that happens you should be expecting your period however many girls a diffrent so results may vary.
The definiton of period (T) . Is T = 1/f ; Therefore if you know that the period is 2.5
You will know because they'll be white/yellow stuff in your tidy -whities. As well as cramps so it's just like getting any period
By the way I'm nine and I know this the answer is.....739,652 it's from my homework
i really dont know !!!
If you know the time, t, taken for N (complete) oscillations then the period, P, is P = t/N
i know when my second last period was when am i due?
You will know when your period starts, because you will have blood coming from you vagina.
I donot know
Don't know about his period, but i know he'll enjoy feasting on yours :)
the Devonian Period was know to be the period that was the age of the fishes
pheeew i do not know if you get your period if it is the first one a month then chanses are its period but i dont know ask your doctor
You do not know as it is irregular.
You will know if you are pregnant if you miss your period.
If you have period you are not pregnant.
no no
You will know if your on your period because you will see a dark bloody stain on your underwear. Or you will have cramps on your lower belly
you will have a period