It is also possible that this type of emergency birth control prevents implantation of a fertilized egg in the uterus by altering its lining. Plan B One-Step is not the same as RU-486, which is an abortion pill. It does not cause a miscarriage or abortion. In other words, it does not stop development of a fetus once the fertilized egg implants in the uterus.
The main difference between the echo and Echo Dot is the speaker: The Echo Dot is essentially the top portion of the regular Amazon Echo, without the beefy speaker underneath it. Instead, The Echo Dot is designed to be hooked up to a set of external speakers. RELATED ARTICLE.
During echo, a device called a transducer is used to send sound waves (called ultrasound) to the heart. As the ultrasound waves bounce off the structures of the heart, a computer in the echo machine converts them into pictures on a screen. TEE involves a flexible tube (probe) with a transducer at its tip.