Just found out i was pregnant and was wondering what i could be feeling ?

I don't know how far along I am yet I have irregular periods. I have 3normal on time periods and miss the fourth every time anyways I had family over and I got this feeling like my stomach flipped it gave me cold chills and I wanted to just get sick. Also I have had gass all day and I feel a little pressure down by blader all day it kinda sorta feels like a small pinch its that ok I'm new at this and I can't get an appointment till after the holiday any advice is good oh ps I have took 4 ept test all + soooooo excited