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Published on: 7/14/2026
Stomach aches during pregnancy are most often caused by normal body changes, including gas, constipation, bloating, round ligament pain, and Braxton Hicks contractions. These are common in all trimesters and usually harmless. However, severe, persistent, or sharp abdominal pain—especially with bleeding, fever, or dizziness—can signal serious conditions like ectopic pregnancy, preeclampsia, or preterm labor and requires immediate medical attention.
Because pregnancy symptoms vary widely and can overlap with more serious concerns, it's smart to get clarity fast. Take a free, instant, online symptom check to better understand what may be causing your discomfort and get personalized guidance on your next steps—no signup, no cost, and available 24/7.
Reviewed for medical accuracy: 07/14/2026
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Submit your own QuestionDuring pregnancy, many women feel stomach aches because your body is changing. One common cause is digestive changes. Your slower digestion might lead to gas, bloating, or constipation, which can make your stomach hurt. Hormone changes can also lead to heartburn or indigestion, causing discomfort.
As your baby grows, your uterus stretches, and this can pull on muscles and ligaments in your tummy and lower back, often called round ligament pain. These causes are usually normal and just part of being pregnant. In most cases, these aches do not mean there is something seriously wrong. However, sometimes a stomach ache might be a sign of something more important, like an infection or another medical issue.
If you experience very strong pain, have a fever, notice bleeding, have multiple vomiting episodes, or feel very unwell, it is important to see a doctor right away. To better understand your symptoms and get personalized guidance, you can use Ubie's free AI symptom checker before speaking with your healthcare provider so they can check and help you feel safe and well during your pregnancy.
(References)
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Nathan L, Huddleston JF. Acute abdominal pain in pregnancy. Obstet Gynecol Clin North Am. 1995 Mar;22(1):55-68. PMID: 7784041.
Dhamecha R, Pajai S, Bhasin T. Acute Abdomen in Pregnancy: A Comprehensive Review of Diagnosis and Management. Cureus. 2023 Jun 20;15(6):e40679. doi: 10.7759/cureus.40679. PMID: 37485109; PMCID: PMC10357893.
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