baby doppler

Using a Baby Doppler For Heartbeat Check

A baby heartbeat Doppler, useful a device as it, is safe for home use and is also employed by healthcare practitioners and midwives inside the hospital set-up to listen to the heartbeat of a growing baby inside the womb. Using it rightly on your own might need some practice and can take you some time, especially in Trimester 1 of gestation. Knowing your Doppler better can however help you to use it successfully.

baby doppler


Features of a Baby Heartbeat Doppler

The baby heartbeat Doppler is a non-invasive, small hand-held device, which is used to monitor and detect FHR (Fetal Heart Rate). It works by emitting/receiving transmitted ultrasound waves, thus converting the signals into the FHR that you hear. A FHR ranges between 120 – 160bpm.

Main features of the device are listed below –

Highly sensitive probe to detect the fetal heartbeat 10-12 weeks onwards.
Clear sound quality.
LCD screen to display baby’s heartbeat rate.
Options available for recording FHR to PC.
2MHz Probe or 3 MHz Probe

The main difference between the 2MHz and 3 MHz Probe baby heartbeat Doppler is their beam width. A 3 MHz probe holds a broader beam than its 2 MHz counterpart and hence is more apt in locating the fetal heart beat with a higher intensity (suitable for use from 8-10 weeks of pregnancy). The 2MHz Probe shows more accurate results after 10-12 weeks of conception.

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Using a baby Doppler for heartbeat


  • Lie down on your back with abdomen exposed.
  • Apply the ultrasound gel generously to the baby Doppler probe.
  • Place the probe on the abdomen mid line, pointing it downward towards the rear of the pubic bone.
  • Angle the transducer (probe) gently to look for the FHR, without dragging it roughly.
  • Conducting the examination on a full bladder can help you to locate the FHR more quickly.

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