http://jokesrus.net/News/the-importance-of-fetal-dopplers/ Fetal dopplers are an important investment for any mother-to-be. A doppler is used to hear the sounds within a mother’s womb. These sounds can range from the movement of the baby’s cords to the sound of a baby’s heart beat. The dopplers purchased for personal use of noninvasive and require . Wed, 10 Mar 2010 07:55:03 PST en