Does any else feel it hard to digest food or full?

According to the app I'm over 5 wks pregnant. I've been pregnant before but lost my baby well over a year ago. This is the first time I have been pregnant since with little to no hope and seeing tons of doctors. I feel this time around I have no real cravings and me being a vegan I don't indulge in any sweet usually even if they are vegan and organic. But I do find myself feeling so full after a portioned meal and I feel like the food gets stuck in my chest as in taking longer to digest. Does any other women and mommies on here have or do experience this? I have a decent appetite but eating to get full fast deters me from eating every few hours.