Detailed explanation of fetal size calculation method One of the issues that pregnant women are most concerned about during pregnancy is the development of the fetus. The size of the fetus is an important indicator for pregnant women and doctors to observe visually, so how to correctly calculate the size of the fetus? This article will give you a detailed analysis from four aspects. 1. Ultrasound examination Ultrasound examination is the most common method of calculating fetal size. The ultrasonic probe emits high-frequency sound waves into the pregnant woman\’s body, using the reflection principle of sound waves to generate