Four-dimensional color ultrasound examination: What you need to know in a few months Four-dimensional color ultrasound is an advanced examination method in medical imaging. It can provide accurate prenatal examination for pregnant women, help monitor the health of the fetus, and plays a role in prenatal diagnosis and treatment. important role. This article will introduce in detail the inspection time and precautions of four-dimensional color ultrasound from several aspects. Four-dimensional color ultrasound examination in early pregnancy (gestational age 11-14 weeks) Four-dimensional color ultrasound examination in early pregnancy can detect whether the fetus has congenital abnormalities, which is of great help to the health of pregnant women and fetuses. During this period, due to the fetal