That meme is misleading. The source is page 12.
https://phmpt.org/wp-content/uploads/2021/11/5.3.6-postmarketing-experience.pdf
No outcome was reported by 238 pregnancies. The meme should state of 270 pregnancies, 27 reported outcomes.
Now Pfizer could be burying data, but, just to be clear, the denominator has a caveat. Why there was no report from the others is not specified. Lost to follow up? New mom too busy to bothered with interacting with Pfizer? Ded? Moved?
So you’re saying the ...normalized rate, is still enough for the drug to have moved forward?