i am a female age 30 height 5'2 weight aprox 12 stone, i have been having stomach opains that i can describe as feeling like a contraction in the top of my stomach just under my ribs, it comes from both sides and quite sharp pain that takes my breah away, i have had this for 4 days now, altho the symptoms are improving i find they recurr after eating even the smallest portions of food, i fel full quickly and have had no appetite for the 4 days untill today and when i ate i had the pain and felt really full, i now seem to have got some mouth ulcers are these related? and what could the pain be?