Nervous

Hey guys I'm so nervous cause tomorrow makes 2 days my peroid haven't came and I felt sick to my stomach and felt dizzy like I was gonna passout when I was in the sun today and most of the time when my peroid is over do me and my other half have sex then I start my peroid now it's nothing at all what should I do ? I need help girls! And good luck and baby dust to u guys get your BFP! :)