Ultrasonography, Prenatal

**Definition:** The visualization of tissues during pregnancy through recording of the echoes of ultrasonic waves directed into the body. The procedure may be applied with reference to the mother or the fetus and with reference to organs or the detection of maternal or fetal disease.

**Tree numbers:** - E01.370.350.850.865 - E01.370.378.630.865

**Synonyms:** - Diagnosis, Prenatal Ultrasonic - Diagnosis, Ultrasonic Prenatal - Prenatal Diagnosis, Ultrasonic - Prenatal Ultrasonic Diagnosis - Prenatal Ultrasonography - Ultrasonic Diagnosis, Prenatal - Ultrasonic Prenatal Diagnosis