The lack of fever and the stool movement indicate that the problem is not located in the intestines. It is more likely that the pain you experience originates from the genital organs, most probably the ovaries. The pain location might be misinterpreted, because the nerves from the pelvic and abdominal organs and from the abdominal and pelvic skin end in same parts of the spinal cord, thus making the misinterpretation possible. You might want to see your gynecologist to see if the pain really originates from the ovaries. For example, a ruptured ovarian cyst can cause a pain like the one you described.