Wired period, nasusea

Irene • I am 22 and i have had 4 pregnancy and only one full term .. So we are trying for baby # 2 ..
I have been nausea a and hot for the last 4 day .. And there have been some intents smells to and  my preiod just ended, and so I'm filling like I'm prego but I dnt know what I should think..???? Plz help