FETAL ULTRASONOGRAPHY

Since its introduction in the 1950s, ultrasonography in pregnancy has been helpful in determining gestational age, detecting multiple pregna ncies, locating placentas, diagnosing fetal anomalies, evaluating feta l well-being, and guiding obstetricians with in utero treatment. We re view current standards and controversies regarding the indications, sa fety, accuracy, and limitations of ultrasonography in pregnancy.