Fetal Acoustical Stimulation

Sound and vibration technique used to check fetus' size and health while in the uterus.
Found on http://www.pregnology.com/AZ/F/2

Fetal acoustical stimulation

A test to check on how the baby is doing while inside the uterus
Found on http://www.whattoexpect.com/pregnancy/glossary/f.aspx
No exact match found