“If it’s focused on the heart, it sounds like a galloping horse because the valves of the heart are moving. And the difference in the shifts causes the whoosh, whoosh, whoosh that you hear when you’re listening,” he says. ![]() “It’s an ultrasound that doesn’t have a picture,” says Tamika Alexander, MD, an obstetrician and an associate professor of clinical obstetrics and gynecology at the University of Illinois College of Medicine in Chicago. “Blood is going through the blood vessels and through the heart, and that’s what it’s picking up and that’s the sound that we hear.”ĭopplers are small handheld devices with a ’90s vibe: a small, often off-white plastic box with a simple screen and a wand, called a transducer, that the wielder drags over the belly in search of the baby’s heartbeat.Īccording to Joshua Copel, MD, a professor of obstetrics, gynecology, and reproductive sciences at Yale School of Medicine in New Haven, Conn., the device has two primary components (called “crystals”), one of which “is constantly sending out sound the other is constantly listening to the returning sound. Dopplers reflect high-frequency sound waves-aka ultrasounds-off the blood to approximate the sound of blood flowing through the veins. Hi, my husband and i are expecting our very first baby.I am at week (b)(6) of my pregnancy.On facebook i came across a product which was advertised through a u.S based company.The product is basically promoting the use of this device to release stress.I checked the company site and read the review of the people who have used this device.Similar product is also available on (b)(6).With all this, i convinced myself that the use will be helpful to me (since my sister recently had a miscarriage).I purchased the unit and used as instructed.First i was not able to defect the baby's heartbeat.After like 20 mins, i could get the reading.The problem was the day after using the device, i started feeling severe cramp like pain in my stomach.This happened couple of times.The day after i tried the device so desperately for almost one hour and could not spot any heartbeat.It has been the most horrible feeling that i have ever experience.Then i started reading on the internet and i found that fda has warned against the use of that and potential harm to baby.I felt devastated and blamed myself for harming my baby.The day after we went to emergency - our ob checked and informed that luckily the baby is ok, however, she advised us against the use of the device.As a customer when we / i come across a product which is so readily available and even has the claim of dr recommendation on the package.How could i even suspect that the device is harmful.When the product is sold and shipped easily from a company in usa and i can receive it in 2-3 days.My husband is an attorney in law and we sent a letter to company address listed on the website.Explaining the situation and asking for response.We did not hear anything back after 2 months.I feel obliged to care for other ladies not to enter such a horror.Here is fda link of the product.Here is the link of the company we purchased the product (b)(6).Here is same products available through other retailers: (b)(6).Fetal dopplers are a type of ultrasound machine that uses sound waves to “listen” to a baby’s heart.
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