What causes abdominal pain at 30 weeks of pregnancy?

In general, "abdominal pain" refers to discomfort in the belly area. Abdominal pain at 30 weeks of pregnancy may be caused by factors such as excessive fatigue, uterine enlargement, false labor contractions (Braxton Hicks contractions), acute gastroenteritis, or threatened miscarriage. It is recommended to seek medical attention promptly, identify the underlying cause, and receive appropriate treatment under a doctor's guidance. Specific analyses are as follows:

1. Excessive Fatigue

If intense physical activity is performed at 30 weeks of pregnancy, it may stretch the abdominal muscles and uterine ligaments, leading to abdominal pain. It is advised to immediately stop strenuous exercise and rest in bed, which can help relieve discomfort.

2. Uterine Enlargement

During pregnancy, the uterus continuously enlarges, which may compress or stretch surrounding organs and tissues, causing abdominal pain at 30 weeks. This condition usually does not require special treatment. Adequate rest should be maintained, overexertion avoided, and lying on one's side—especially in late pregnancy—can help alleviate symptoms.

3. False Labor Contractions (Braxton Hicks Contractions)

Excessive stress or tension at 30 weeks of pregnancy may trigger false labor contractions, stretching the ligaments around the uterus and resulting in the aforementioned pain. Applying a warm compress with a hot water bag to the painful area for 10–15 minutes, along with adequate rest, may help improve discomfort.

4. Acute Gastroenteritis

Due to reduced gastrointestinal motility during pregnancy, consuming high-nutrient foods may lead to indigestion and cause gastroenteritis. This results in intermittent cramping abdominal pain accompanied by symptoms such as nausea, vomiting, diarrhea, and fever. It is recommended to temporarily stop eating, drink mild salt water or warm water appropriately to replenish lost electrolytes, and under medical supervision, take medications such as compound berberine tablets, montmorillonite powder, or amoxicillin capsules to relieve symptoms.

5. Threatened Miscarriage

Multiple pregnancies may cause excessive expansion of the uterine cavity, potentially leading to preterm labor. Abdominal pain occurs due to uterine contractions, often accompanied by backache, vaginal bleeding, or fluid leakage. If these symptoms occur at 30 weeks of pregnancy, treatment under a doctor’s direction with medications such as progesterone soft capsules, nifedipine tablets, or ritodrine hydrochloride tablets is recommended.

Pregnant women should ensure sufficient rest and avoid overexertion. Placing a pillow under the legs during rest may improve lower limb blood circulation and reduce leg swelling. Maintaining a balanced diet with adequate nutrition, staying in good spirits, and attending regular prenatal checkups are beneficial for recovery and overall health.