uh...yo usually feel it come out...
Yes they know what periods are but i dont think they care
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.
after you have finished with your periods and before the next periods starts .
A women has a period once a month and you know(unfortunately) when it happens
You will have blood on your underwear.
Goats don't have periods.
Hahah yuup, there on it ;)
hamsters don't get periods?
In order to answer this, we would have to know what the 5 time periods to which you refer.
You should ask a doctor. I do not know. Sorry.
Get a pregnancy test! Sometimes it happens!