First Trimester Worries 😕

Im at the begining of my 6th week and lately ive felt like my symptom are getting lighter before i found out i was pregnant i use to urinate alot but because i drank alot of water, my breast would hurt, and i was super bloated all the time especialky when i ate something and i would crave sweet/sour things now that im 6W2D only symptom i have is that i get hungry  frequently and everyonce in a while i dont like a smell i get nauseas or throw up im concern that i maybe having another miscarriage i has one already in December 2014