HELP DONT KNOW WHAT TO DO!!???

Tonisha
AF is TWO days late. I'm excited/scared at the same time reason being we been trying for this baby for almost 3 years now. We have two boys Camerons7 Kalib4.. Well now we want a GIRL. I'm hoping/praying my cycle does not come. My question is I took a pregnancy test the dollar kind from dollar tree it came back BFN... What should I do....PLEASE HELP PLEASE