Medical science has come a long way from the days when foetal movements in the mother’s womb and hearing of heart through a docs’ stethoscope were two good ways to determine the healthy development of the foetus. Seeing the picture of the baby in the womb was simply an impossibility. Knowing about structural defects and abnormalities was out of the question. Hence, everything was left to destiny; there have been cases that babies were born with structural defects. Advanced photo imaging technology revolutionized the study of foetal movement. Now through ultrasound in Delhi , pregnant women and doctors can view the baby in womb and pictures can be taken using computerized technology. 2D ultrasound came into existence followed by 3D and 4D ultrasound technologies. While 2D is still in practice as the regular or standard mode of prenatal photo imaging, doctors prescribe 3D or 4D ultrasound to a mom-to-be in between 26 to 30 weeks. 4D ultrasound test is optional but it i...