The abdominal pain is like menstruation, it may be caused by preterm miscarriage or ectopic pregnancy, there may be mild abdominal discomfort in early pregnancy, but it should not be as painful as menstruation. If the abdominal pain is caused by pre-eclampsia, pay attention to rest for fetal preservation, take fetal preservation drugs under the guidance of the doctor, pay attention to check the progesterone, if there is low progesterone, progesterone can be supplemented to prevent miscarriage, if the abdominal pain is caused by ectopic pregnancy, we should decide whether to conservative treatment or surgery according to the specific situation, if ectopic pregnancy is not treated in time, tubal rupture may occur causing If the ectopic pregnancy is not treated in time, the tubal rupture may cause haemorrhage and acute abdominal pain.