A Doppler device is a small, portable machine that uses ultrasound waves to detect and magnify the baby's heartbeat. Doctors use this test during most office visits to verify that the baby is alive.

As patients become more knowledgable of their ultrasound options, systems and doctors become smarter. Nowadays, one of factors of a patient's choice for a hospital is what kind of medical system a ...

2D ultrasound produces outlines and flat-looking images, which can be used to see the baby's body and internal ... will last ...