How big is the belly at four months pregnant?

Dec 17, 2023 Source: Cainiu Health
Disease description:

How big is the belly at four months pregnant?

Doctor's answer (1)
Dr. Zhao Xiaodong
The size of the belly at four months of pregnancy varies from person to person. Some women may not show a noticeable bump at four months, while others may already appear quite pregnant. Generally, at four months pregnant, a woman's belly may begin to show a slight protrusion when viewed from the side. However, in women with smaller body frames, the abdominal enlargement may not be very obvious. The most reliable way to assess development is through medical examination. The standard uterine height at this stage is typically between 16 and 20.5 centimeters, with an abdominal circumference ranging from 76 to 89 centimeters. Women who were overweight before pregnancy may appear more visibly pregnant compared to slimmer women, as increased abdominal fat can contribute to a larger-looking belly. It's important to note that belly size alone cannot accurately determine gestational age; ultrasound examinations are the most reliable method for assessing pregnancy progress. Pregnant women should attend regular prenatal check-ups at the hospital to promptly identify and address any potential complications.