Pregnancy stomach pain for a while but no bleeding may be normal, but do not rule out pathological factors such as preterm abortion, preterm labor, etc., can be relieved by adequate rest, medication and other methods. 1. Normal situation: with the increase in the number of weeks of pregnancy, the uterus gradually increase in size, will press the pelvic bones, stimulate the abdominal wall nerves, may cause a burst of pain in the stomach, but there is no bleeding, the pregnant woman more than no other symptoms of discomfort, usually is normal. At this time, pregnant women should pay attention to maintain adequate sleep, avoid fatigue, usually the symptoms can be gradually relieved. 2. Pre-eclampsia: If a pregnant woman experiences severe stomach pain, although there is no vaginal bleeding, it may also be a precursor to miscarriage. At this time, you should consult a doctor in time, complete the relevant examinations, such as abdominal ultrasound, etc., and follow the doctor’s instructions to use progesterone capsules and other drugs to protect the fetus treatment. 3. Preterm labor: If a pregnant woman has a bout of stomach pain during the 28th to 36th week of pregnancy without bleeding, it may be caused by uterine contractions, and if the pain is regular and the cervical canal is shortened, preterm labor is often considered to have occurred. You should seek medical attention, and you can use nifedipine and other medications as prescribed by your doctor to inhibit contractions, prolong the pregnancy, and relieve the symptoms of the pregnant woman. If a pregnant woman has a bout of pregnancy stomach pain but no bleeding, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, to give targeted treatment or standardized treatment, do not self-medication, in order to avoid adverse effects.