Labor soon??

I'm only about 3 weeks from my due date and I've been feeling sooooo off lately. SUPER tired all the time, almost no appetite anymore (I usually want to eat all the time 😅), and generally just not feeling myself. I'm very nauseous again, like in the first trimester, I've even thrown up a few times in the last few days. More than normal bowel movements (sorry tmi). And a lot of contractions! Most of which are just Braxton Hicks, but some of them are really starting to become intense! Anyone else experience this and then go into labor shortly after?? I know it's impossible to say when baby will actually come, just curious to know others experiences!