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Be sure to use plenty of Ultrasound Gel, and make sure to cover the entire surface of the probe with gel. If you run out of gel you can either order more from us, or experiment with body lotion (some provide better sound quality than others).

When you place the probe onto your skin, try to push out any air bubbles that are in the gel, air bubbles will cause extra static.

Early in pregnancy (10-12 weeks) it may be helpful to have a full bladder.

Early in pregnancy (10-12 weeks) it is best to start in line with the belly button, and right above the pubic hairline. As your baby grows, you will need to slowly move the probe higher in order to locate your baby's heartbeat. However, you will never find the heartbeat higher than your belly button.

It is helpful to apply slight pressure and tilt the probe slightly to help pick up sounds in a wider area. Think of the probe as a flashlight with a beam coming out of the end, if you tilt the probe you will pick up a wider area with the beam and increase your success rate.

Move the probe very slowly (1/2 inch movements) to avoid skipping over the heartbeat.

With twins it is often difficult to distinguish between your different babies (doctors even have a difficult time). If you have the Dynamic Doppler Standard Unit you can count the heartbeat for 10 seconds and multiply that number by 6 to get the beats per minute. This method can sometimes help to distinguish between multiple babies and also help to distinguish between your baby's heartbeat and your own heartbeat. With the Dynamic Doppler Display unit the heart rate will be displayed on the digital L.C.D. Display.

With either unit, your heart rate will vary between 60-90 beats per minute and your baby's will be between 120-180 beats per minute. As your baby grows, it's heart rate will gradually slow. Just like us, depending on how active your baby is, the heart rate will change from time to time.

On the Dynamic Doppler Standard Unit, if the power light flashes, the 9 volt alkaline battery needs to be replaced. On the Dynamic Doppler Digital Display Unit, if the heart rate display flashes, you will need to change the 9 volt alkaline battery.