You need to look up some information about pregnancy. I also personally feel that if you're trying to become pregnant you should be married but that's just me.

Secondly, she can totally be pregnant right now; its way too early for her to feel symptoms.

The average woman doesn't start to feel pregnanct symptoms untill after she's missed her period and is abotu 5 weeks pregnant. Also remember that is takes the average couple a year to conceive