Belly size

Hellossss.... so today i went for my chdck up. Dr asked me to loe down so he just sees how bby is etc. so i lay on my back and boom was tummy just lookedso big he came in too and also said your tummy looks way too big for 32weeks he measured my tummy and it was 35 cm. Im actually worried though he said no dont worry. Has anybody carried big and what happened next.... i need some encouragement!😞