In early pregnancy, the uterus is slowly growing and sometimes there are growing pains. Therefore, it is normal for pregnant women to have occasional vague pain in the stomach, but if the pain is continuous and there are symptoms of bleeding, we should pay attention to it, it may be a pre-miscarriage, if it has not been determined whether the intrauterine pregnancy, we should be careful of ectopic pregnancy, so pregnant women need to clarify whether the stomach pain is physiological or pathological abdominal pain. The reasons for vague stomach pains in early pregnancy are as follows: the early enlargement of the uterus presses on the bones or nerves. Because the pregnant fetus is gradually growing, it is likely to stimulate the bones or compress the nerves, so that pregnant women have bouts of pain. This is a normal physiological reaction, so relax, take more rest and pay attention to the proper supplementation of nutrients. For ectopic pregnancy and bouts of pain caused by diseases in the uterus, if you feel obvious pain in your stomach in early pregnancy, go to a regular hospital for an ultrasound to determine if the embryo sac is bedded in the uterus. If it is clear that intrauterine pregnancy has symptoms of pre-eclampsia, you should do a good job of fetal preservation treatment and take proper rest, whether you need fetal preservation treatment and how to carry out fetal preservation treatment should be guided by the doctor after evaluating the condition, do not treat yourself. If the fetus stops developing, abortion should be performed. If the pregnancy is ectopic, the treatment plan should be decided according to the situation. The above describes the causes and treatment measures for the vague stomach pain at nine weeks of pregnancy, pregnant women should take the right choice according to their actual situation, if it is not clear, it is recommended to go to the hospital, of course, it is important to keep a happy mood during pregnancy.