<s>[INST] hello, iv had stomach ache in upper stomach, lower stomach and a sort of stitch feeling in my side all day and night? i haven t been sick and iv had a poo, but not sure what this is... its really painful.. iv come on my period today aswel :|? xx [/INST] Hi welcome to healthcare magic During menstruation periods lower abdominal pains are common.. it is called as dysmenorrhea.. observe the pain, if it persist after the periods then you needed to be clinically examined and evaluated.. </s>