Is It Safe to Use a Mobile Phone During Pregnancy? Should Pregnant Women Avoid Cell Phone Use? Baby

Do you jump when your rings unexpectedly? shows that sound may also startle an .

Researchers asked 28 resident physicians who constantly carry and/or beepers at work to undergo fetal testing known as a biophysical profile while the devices were activated. The women were all between 27 and 41 weeks .

During each screening session, the gadgets were set off at intervals of 5 minutes five times. Fetal responses including head turning, mouth opening and were recorded from several angles. All of the fetuses demonstrated an initial startle response. Additional stimulations were associated with varying decreases in response. The researchers say, “Repeated startle responses may be worrisome because they interfere with the known normal cycle of fetal behavior.”

They are calling for more into potential adverse outcomes related to and beepers.