my girlfriend got her period delayed by 12 days due to stress. before that she was having yellow urine in the morning, till now she is having yellow urine. now she is having pain after she takes food. after she takes food, she feels to vomit after one one hour or so. also she can feel the pain when she presses her abdomen. she cant even ride on to stairs. she feels pain on the abdomen when she tries to ride on to stairs. today itself she feels the pain in abdomen for the whole day. plz suggest what happens to her. what could be the probable reason of this?