yes there are some signs that are the same a period signs but the realy tell tale signs are.

-missing out a period

-breast suddenly growing

They begin to get upset at their handeler, and develop a lower stomach

Every woman is different. There are tale tale signs to ovulation such as breast tenderness, cramping, etc. Some ladies get a different odor and discharge than they are used to. The longer you have been experiencing menustration, the more in tune you will become with the signs. www.bnparty.com/?rayn

The only way to know is to ask your partner. There are no tell-tale signs.

Yes...yes it can, but it almost always shows the tell-tale signs weeks before