

As a hardware and software professional, this headline sounds like 100% bullshit.
allows your phone to measure prenatal heartbeat
That is not the same thing as an ultrasound scanner.
It’s a microphone app which trims to, and amplifies, specific frequencies which allows you to monitor the baby’s pulse.
You absolutely can use your phone with an ultrasound scanner, but this requires external hardware which, while not restricted, is not super cheap.











Unfortunately it’s not a matter of capability, but certification. Your watch probably has more processing and imaging power than the best medical systems available in the late 90s, but if you’re planning to market it as anything with even a whiff of medical application, even from the home, then it will need ISO 13485 certification in order to obtain required insurance that costs enough to prevent medical market entry for most businesses, especially when you combine that with the concept of unborn babies.