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During a fetal ultrasound, your health care provider places a wand-like transducer into your vagina or runs the transducer over your abdomen. Sound waves are translated into a pattern of light and dark areas — creating an image of your baby on a monitor.
In this slide, you see a baby's profile at 11 weeks of pregnancy, or nine weeks after conception. A baby's head makes up about half of his or her length at this stage.
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