Ultrasound: Then & Now
1989
1995
Acquisition time: 20 min
4 vol / sec
1989: 2D ultrasound used most often, taking about 20 minutes for U/S to develop and image, until 3D was invented
1995: Live 3D introduced, speeding up the time it took for an image to appear and beginning to show movement
2000
2005
16 vol / sec
33 vol / sec
2000: Improvements in ultrasound technology led to a faster time to acquire an image, creating a more “life-like” appearance of fetal anatomy
2005: Advancements in 3D and 4D ultrasound expands the usefulness of ultrasound into areas like viewing the fetal heart and blood flow
