baby movements

so i had a question and i am a little concerned.. so since i was between 6-8 wks far i would feel baby movements little flutterings like a little bug crawling on my skin.. oct 31st i felt 2 small baby kicks (mind u this is my 4th pregnancy so i know how everything feels if it is or not the bby).. anywho im 15w 3d today and since halloween night i havent felt the baby move anymore maybe its just me that im a little overwelmed after my sister in law being in a car accident and having my youngest daughters bday party @ the corner and only have 1 wk to get everything ready (i had canceled her party due to the accident but hubby decided to do now that in law is out of hospital) should i be worried i dont feel nothing anymore? only thing that keeps me calm and know his still there is my vomiting/nauseas that are none stop.. PLEASE NOTHING NEGATIVE.. i had a mc in June 2016 so im a little scared please help