Help me please.

Im only 6 weeks and have had two other healthy baby boys. But this time around i have like every symptom in the book. At only 6 weeks at that. Im exhausted my starving but have loss of appetite. Super morning sickness and loads of peeing already. Im not bloated i have IBS i know bloat but my belly is already pretty hard and no longer close to flat after losing weight. Doctors tell you that you wont get every symptom no matter what. Well i am and i dont have a clue whats going on. Super emotional this time too. Cry over nothing at all some days. Any thoughts ladies? Or experiences?