mavy probably not
Not possible. It can't happen.
Possible means that it could happen.
there is a slight chance that could happen
anything that is possible!
I would say it is improbable or highly improbable.
its very possible but i doubt it will ever happen
Not possible (it is in fact possible. I had this happen yesterday.)
Everything that can happen in a expieremnt
It is possible.
no there is no way possible for that to happen
It is possible it just doesn't happen all the time
It is possible but does not happen often. Its more likely to happen to a girl who's periods are irregular.