Just out of curiosity, browsing the HTML on UPenn’s article , it seems that whoever maintains their website (more likely, someone at the stock photo service who provided alt text for the headline image) does know which people have babies:
<meta id="ctl03_mtTwImageAlt" name="twitter:image-alt" content="A pregnant woman in a surgical gown laying in a hospital bed">
Just out of curiosity, browsing the HTML on UPenn’s article , it seems that whoever maintains their website (more likely, someone at the stock photo service who provided alt text for the headline image) does know which people have babies:
<meta id="ctl03_mtTwImageAlt" name="twitter:image-alt" content="A pregnant woman in a surgical gown laying in a hospital bed">