Pregnancy is all exciting and fun until you have to go through all the tests. Yes, there are many tests performed throughout this stage. They are essential as they check on the health of the mother and unborn child. These include genetic screening, blood, urine tests, ultrasounds, etc. To know how your baby is doing, healthcare professionals do an ultrasound using digital Doppler devices. However, there\'s more to it and here is everything you need to know.