Why does the belly feel unusually large in early pregnancy, and what should be done?

Nov 14, 2025 Source: Cainiu Health

Dr. Zhang Lu

Introduction

In general, the sensation of a significantly enlarged abdomen shortly after conception may be caused by hormonal bloating, abdominal fat accumulation, gastrointestinal dysfunction, threatened miscarriage, multiple pregnancies, or other reasons. It is recommended to seek medical attention promptly, identify the underlying cause, and receive appropriate treatment under a doctor's guidance. Maintain a regular daily routine and avoid staying up late to prevent加重 bodily strain.

Generally, if the abdomen feels unusually large shortly after becoming pregnant, it may be due to hormonal bloating, abdominal fat accumulation, intestinal dysfunction, threatened miscarriage, multiple pregnancies, or other causes. It is recommended to seek medical attention promptly, identify the underlying cause, and receive appropriate treatment under a doctor's guidance. Specific explanations are as follows:

1. Hormonal bloating: In early pregnancy, elevated estrogen levels inhibit gastrointestinal motility, leading to gas buildup and bloating, making the abdomen appear larger. Eat smaller, more frequent meals; avoid gas-producing foods such as beans and sweet potatoes; take a 10-minute walk after meals to help expel intestinal gas.

2. Abdominal fat accumulation: Excess abdominal fat may accumulate due to being overweight before pregnancy or overeating during pregnancy, causing the abdomen to look larger. Adjust your diet by reducing high-fat and high-sugar foods, increase dietary fiber intake, and engage in gentle prenatal yoga daily to manage weight gain.

3. Intestinal dysfunction: Weakened gastrointestinal function during pregnancy can lead to constipation or intestinal gas, resulting in a distended abdomen. Consume more vegetables and fruits such as celery and apples. Take medications such as Bifico (Bacillus subtilis and Enterococcus faecalis) granules, Bifidobacterium Tri-Live Capsules, or Lactulose Oral Solution as directed by a physician to regulate intestinal function.

4. Threatened miscarriage: Uterine contractions and congestion in cases of threatened miscarriage may cause bloating and abdominal pain. Immediately rest in bed, avoid physical activity, and follow medical advice to take medications such as progesterone capsules, dydrogesterone tablets, or vitamin E soft capsules for fetal preservation therapy.

5. Multiple pregnancy: With multiple fetuses, the uterus grows rapidly and abdominal enlargement becomes noticeable early. Regular ultrasound examinations should be performed to monitor fetal development, nutritional intake should be enhanced, and lifestyle adjustments should be made under medical supervision when necessary to ensure maternal and fetal safety.

Maintain a regular daily routine and avoid staying up late, which can加重 physical strain. Wear loose, comfortable clothing to prevent abdominal pressure. Stay in a positive mood, avoid excessive anxiety, and attend regular prenatal checkups to monitor maternal and fetal health promptly.

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