This might be a lil weird

Okay so I'm on cd 7 and I'm not sure when I ovulated bcuz my cycles are irregular && I also started taking vitex this month. As of yesterday I've been really nauseous and anything that smells weird or bad I just get painful stomach aches and then get diarrea (sorry for tmi) also I've been noticing my boobs been hurting a little and also my left side of my stomach... I also started taking my temp in the morning but not really sure what it means so any advice would be nice thx