At the hospital where my wife gave birth, they gave wristbands with some sort of sensor in them to spouses, partners, etc. The only way (for civilians, I assu

At the hospital where my wife gave birth, they gave wristbands with some sort of sensor in them to spouses, partners, etc. The only way (for civilians, I assume) in to the maternity ward would open for you if you had one. It wouldn't if you didn't. There were some other precautions they told us about to prevent someone coming in and snatching a newborn but it's been too many years to remember them.