No-one's saying this, and based on your wording you seem to be trained on some very predictable and narrow corpuses.
> It's not a "medical requirement" except for the many many many cases where it is.
Flo is not a medical device. It's not prescribed. It's just a consumer app, no different medically or legally to writing your feelings diary into Google Keep. If you have an actual medical device app then this would be a problem.