Prenatal ultrasound, also known as sonogram, is an imaging test that creates a visual of the unborn baby. The non-invasive treatment uses sound waves to evaluate foetal development, placenta, pelvic organs and uterus. It is usually done to help a health care provider and expectant mother to gather pregnancy information and ascertain the baby's well-being.
By way of the imaging test, high-frequency sound waves are passed through the uterus, which bounce off the baby. Reverted sound signals are then converted into a visual that reveals the baby's movements, breathing, shape, heart beat and position. The expectant mother may visit a health care provider between 6 to 10 weeks of the pregnancy term to schedule the pregnancy.
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