I work in obstetric sonography and I cannot stress enough how reckless it is for people to continually post their scan photos online without blanking out their information. Several new posters recently have been adding their pictures to threads with their full name, date of birth, hospital number etc. These pictures also include the hospital you're being scanned at. Not only is this unsafe for yourself, but it's also unsafe for the for the antenatal team working with you. It takes one weirdo to decide to use your details for nefarious reasons, or to find you and harm you or your baby.
This is really basic level internet safety.