Worried...😒

So I noticed if I don’t eat for a few hours I get extremely light headed like I’m 1 hair away from passing out and then i get the shakes really bad where i can’t control it. After this happens I cry because it is such a scary experience. Im always so thirsty too. I’m only 4.5 weeks....I was wondering if anybody has had these issues before and is it possible to have symptoms of gestational diabetes this early?? I know they don’t test until 20 something weeks but this is starting to worry me. 😔