Wall Street Journal and MacRumours articles today suggest much broader ambitions for Apple Watch in health including fertility, arterial fibrillation, sleep apnea and more.
https://www.macrumors.com/2021/09/01/multiple-new-apple-watch-health-features/
But you might have to wait until 2022.
Edit: Bloomberg also published a follow up article suggesting blood sugar monitoring would also be added and official ids such as drivers licenses (and by our own extrapolation potentially also vaccine passports?).
And a bigger screen used more wisely.
Apple’s Bigger Watch Will Jam More Data Than Ever on Your Wrist
Cheers, Ed.