Ultrasound is cost effective and is not restricted to the most advanced hospitals in the world. Because of this, all cultures have access to it.
In some cultures it is very prominent to push for male offspring rather than female. It is a common practice to abort female fetuses…
I have no right to judge people based on this action because I am so many degrees separated from the circumstances. I’m not a mother, I’m not from these countries, and I’ve never considered aborting my child based on sex.
It does sound rather ghastly to an outsider, though..