If you are 35 weeks pregnant and have a vague pain in your stomach, it is possible that the contractions may start and there are signs of preterm labor, etc. Other abnormalities, such as placenta previa, appendicitis, etc., cannot be ruled out. If you are 35 weeks pregnant and have a vague pain in your stomach, it is recommended that you go to the obstetrics department of the hospital in a timely manner and undergo the relevant examinations, such as routine prenatal checkups, ultrasound, fetal heart rate monitoring, blood tests, urine tests, etc., so as to clarify the specific cause of the disease and then follow the doctor’s instructions to give active treatment. If you are pregnant for 35 weeks and have a vague pain in your stomach, it is more likely to be a sign of preterm labor, but other abnormalities cannot be ruled out, so it is recommended that you go to the hospital as soon as possible, and under the guidance of the doctor, you should be actively diagnosed and treated.