Start a petition
Health risks of prenatal ultrasound - the urgent need for more research and regulation
by David Blake · 939 supporters
Video 2: ~40% of ultrasound transducers in use are defective. Not good!
Nov 23, 2013 —
Chip in to promote this campaign on Change.org
Promote this petition
New YouTube video: "Is Prenatal Sonography Safe? Ep. 1: Epidemiology"
Is Prenatal Sonography Safe? Ep. 3: Sonographer Education