3rd trimester nausea?

So this is my second pregnancy and with my first I was sick the entire time. This one has been great. I’ve only been nauseous if I have a sinus infection. Well 3rd trimester came around and I thought it was the sinus infection causing my nausea and then I thought a few times it was because of my iron pills and now I’m pretty positive it’s just pregnancy! I could have gone this entire pregnancy without wanting to run to a trashcan or toilet. I feel like it hits me so hard I’m nearly trampling my 1 year old to get to whatever is closest to me. I’m just so ready for little man to get here! Less than 7 weeks to go at the most and it still just seems so far away!