Which technique of prenatal diagnosis generates an image of the developing baby's body shape?

Question

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Ultrasound is a technique of prenatal diagnosis that uses high-frequency sound waves to create an image of the developing baby's body shape. This technology can provide information about the baby's growth, anatomy, and sex, and can detect many birth defects and abnormalities. DNA analysis, amniocentesis, and chorionic villus sampling are other prenatal diagnostic techniques, but they do not generate images of the developing baby's body shape. DNA analysis analyzes the genetic material in cells taken from the fetus, amniocentesis and chorionic villus sampling involve taking samples of amniotic fluid or placental tissue to examine fetal cells and DNA for chromosomal abnormalities and genetic disorders.

Which Technique of Prenatal Diagnosis Generates an Image of the Developing