Early pregnancy, how does small abdomen resemble menstruation ache to return a responsibility

Early pregnancy dysmenorrhea-like abdominal pain, first of all should consider whether ectopic pregnancy, threatened abortion and other conditions caused by symptoms. Secondly, it may be improper diet, gastrointestinal mucosa suffered from stimulation caused by pain. Suggestions: if accompanied by vaginal bleeding, timely go to the hospital gynecology, relevant examinations.