An interesting question about ultrasonic pest repellers. While these devices may be useful in some cases, it is important to remember that a professional pest control service such as Lakewood Exterminating may offer more a complete and long-term pest control solution. Their experts use proven and safe methods to effectively eliminate pest problems in your home or yard.
There is little evidence suggesting that ultrasonic sound causes anything negative in babies. If you feel your baby is being affected by a pest repeller, then you should see a doctor.