But the bottom line is that any type of fetal Doppler monitor is meant to be used only by trained professionals. The version used by doctors also provides imaging, whereas the handheld devices offer only sound. The main difference between the two? The Doppler ultrasound used in the doctor’s office tends to use higher-frequency sound waves, making it more accurate and reliable. The latter is used by a trained professional at your doctor’s office starting around eight weeks into your pregnancy to confirm your due date and check baby’s heartbeat (which begins to beat around the end of week 6!). “The claims are very enticing to pregnant women because you want to do everything you can to bond with your baby.”It’s easy to confuse a home fetal Doppler monitor with a Doppler ultrasound machine. For questions regarding medical conditions, please consult with a medical health professional.“They’re marketed as a way to listen to baby’s heartbeat from a really early stage, in order to reassure moms,” says Elizabeth Hutton, CEO of Kicks Count, a U.K.-based nonprofit that aims to educate parents-to-be about tracking baby’s movement. The use of the machine provides audio and heart rate value that is for non-medical purposes only. All activity that is monitored and viewed with the device should not be considered a medical conclusion. It is not an approved device for the treatment or prevention of medical conditions. This product is not a diagnostic instrument. A 3.0MHz probe has also been proven to work well throughout the pregnancy. It works better because the fetus is so small early in gestation that 3.0MHz probe reflects the ultrasound back to the sensor better than the lower frequency 2.0MHz probe. Over 90% of OBs, hospitals, and midwives choose 3 MHz probe because they know from the results of millions of exams that 3 MHz probe works better. Why do we recommend 3 MHz probes for fetal heart detection? This mode allows the user to calculate an average heart rate over a specific period of time by manually pushing a button to start & stop the time.
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