Looking more closely at Apple’s WWDC 2015 keynote, it appears that not only will Apple’s Healthkit platform enable you to track menstruation, but also the severity.
Apple hasn’t given details about the new HealthKit metrics just yet, but looking at a screenshot of the Health app displayed in the WWDC Keynote speech, you can see where the app displays, “Light” — meaning the severity of the menstruation.
This is critical for a condition called Menorrhagia. Where the menstruation cycle can be abnormally heavy or prolonged. This can be caused by a variety of pathologies such as Fibroids or Endometriosis, but the diagnosis only comes after close monitoring of the cycle. This is a feature Family physicians and Gynecologists could utilize when making the diagnosis.
