There are many reasons why menstruation has not yet come, but there are small abdominal cramps. Some women have abdominal pain, headache, breast swelling and other symptoms before the menstruation comes, which may be a manifestation of PMS, and the symptoms will gradually reduce and disappear after the menstruation comes, it is recommended to pay attention to keep warm, avoid getting cold, relax and eat reasonably. Especially if you have had intercourse and your menstrual period is delayed and you have abdominal cramps, it may be a manifestation of pre-eclampsia or ectopic pregnancy, especially ectopic pregnancy is more dangerous and may endanger the patient’s life in serious cases. It is recommended to go to a regular hospital for consultation and appropriate treatment in this case. If you eat unhygienic food or get cold, you may also experience intestinal dysfunction, causing intestinal spasms, which may lead to symptoms of small abdominal cramps. Therefore, if you have abdominal cramps, but your menstruation is not coming, you should analyze the situation on a case-by-case basis.