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Published on: 8/20/2026

Is it normal to have a lump in the stomach while pregnant?

Noticing a lump in your stomach during pregnancy can be normal, as your body changes rapidly to accommodate your growing baby. Common causes include shifting abdominal muscles (diastasis recti), a fibroid, or a hernia. However, any new or unusual lump should be evaluated by your doctor to rule out more serious conditions and ensure both you and your baby stay healthy.

Because pregnancy-related lumps can have many different causes—some harmless, others requiring prompt care—it's important to understand what may be behind your symptoms before your next appointment. Taking a free, instant, online symptom check can help you identify possible causes, prepare informed questions for your doctor, and confidently navigate your next steps.

Reviewed for medical accuracy: 07/15/2026

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Frequently Asked Questions

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The most common questions people who are pregnant ask Ubie

Concerned about your symptoms?

Explanation

During pregnancy, your body goes through many changes that can cause lumps or masses in the abdominal area. In some cases, these lumps are harmless, such as those from the extra fluid or growth of tissues due to increased blood flow and hormonal changes. For example, benign abdominal wall masses may form and sometimes even cause discomfort.

In rare cases, a painful or growing mass might require further evaluation or treatment during pregnancy. Medical professionals may use safe imaging tests to look at the lump without harming you or the baby.

Although many lumps in the stomach area during pregnancy turn out to be non-serious, it is important to report any new or changing lumps to your healthcare provider. If you're experiencing unusual symptoms or abdominal changes, you can check your symptoms with Ubie's free AI-powered tool before your appointment. Keeping track of such changes helps ensure that both you and your baby stay healthy throughout the pregnancy.

(References)

  • Stemmer SM, Gomes C, Cardonick EH. A Case of Painful Growing Abdominal Wall Mass during Pregnancy Requiring Resection in the Second Trimester. Case Rep Obstet Gynecol. 2024 Jan 8;2024:5881260. doi: 10.1155/2024/5881260. PMID: 38229587; PMCID: PMC10789513.

  • Rodrigues A, Whitten CG. Abdominal wall mass in a pregnant woman. Invest Radiol. 1993 Mar;28(3):260-2. doi: 10.1097/00004424-199303000-00017. PMID: 8486494.

  • Garcia-Aguilar P, Maiz N, Rodó C, Garcia-Manau P, Arévalo S, Molino JA, Guillen G, Carreras E. Fetal abdominal cysts: Predicting adverse outcomes. Acta Obstet Gynecol Scand. 2023 Jul;102(7):883-890. doi: 10.1111/aogs.14584. Epub 2023 May 16. PMID: 37194337; PMCID: PMC10333663.

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