But they are never going to do long-term research on pregnant women, as they can't ethically, they can only assess over a long-period if there is an incidence of problems. So they test on mice to raise points that might need checking and advising on...
This research has been around for a few years, I was pregnant in late 2012/early 2013 with DC2, and I knew about this risk then...
I suppose it all needs to be looked at on a "do I really need this" rather than just popping a pill in for a mild headache, that would probably go with a pint of water. But if you do have long-term health conditions that require regular pain medication, see your doc for up to date advice...