The small abdominal cramps in early pregnancy may be physiological reasons, such as pelvic congestion, or may be the occurrence of ectopic pregnancy, pre-eclampsia, pregnant women are advised to pay attention to rest, if the symptoms worsen or combined with vaginal bleeding and other symptoms, should promptly seek medical treatment. I. Physiological reasons early pregnancy pelvic congestion, the uterus becomes soft, some pregnant women will have the feeling of small abdominal cramps, like a period, this is a normal phenomenon, early pregnant women should avoid sexual activity, pay attention to rest. Pathological reasons 1, ectopic pregnancy: under normal circumstances, the fertilized egg will be laid in the uterus, but when there is tubal obstruction, it may be laid outside the uterus, that is, ectopic pregnancy, early ectopic pregnancy will appear swollen abdomen, cramping pain, rupture can occur severe abdominal pain accompanied by vaginal bleeding and other symptoms, in this case, pregnant women should go to the hospital as soon as possible; 2, pre-eclampsia: pregnant women will appear small abdominal The pregnant woman should take birth control medicine as soon as possible under the guidance of the doctor and pay attention to rest.