Apple is bringing a feature to the Health app with iOS 27, releasing in September 2026, that many women have long awaited. The iPhone analyzes long-term cycle data and notifies users when patterns suggest the beginning of perimenopause. This is the phase of hormonal change typically beginning in the 40s and lasting a decade or longer before actual menopause. At the same time, Apple has scrapped a planned AI health coach just before its beta launch. The reason is instructive.
What perimenopause is and why it often goes unrecognized
Perimenopause is not a disease but a phase in which the body fundamentally changes. Estrogen levels fluctuate, cycles become irregular, sleep worsens, mood and energy shift. Symptoms include hot flashes, mood swings, and persistent fatigue. The phase can last eight to twelve years before the final menstrual period occurs.
The medical problem: perimenopause often goes unrecognized. Women with symptoms like sleep disorders and fatigue visit general practitioners who investigate stress, burnout, or thyroid problems. Gynecological evaluation often doesn't happen. In Germany, the professional association of gynecologists reports significant undertreatment in this life phase. Many women wait years for proper understanding of their symptoms.
What iOS 27 and watchOS 27 concretely introduce
The Health app in iOS 27 uses cycle data that users have entered over months or years to detect pattern changes. If cycle length, regularity, or other parameters deviate from previous values over time, the app sends a notification. Apple has emphasized in press materials that, according to its own account, the feature does not diagnose but points to a possible change and recommends seeing a gynecologist.
This phrasing is no accident but regulatory strategy. In the European Union, medical products fall under the EU Medical Device Regulation (EU-MDR). A device that diagnoses must be certified. Apple therefore consistently uses language like hint, pattern, notification instead of diagnosis. The Apple Watch irregular heart rhythm feature works by the same principle: it effectively detects atrial fibrillation but is officially called a notification for irregular rhythm.
Additionally comes symptom tracking: users can log hot flashes, mood swings, fatigue, and dry skin directly in the Health app. In watchOS 27, Apple improves heart rate monitoring and sleep analysis. Apple Fitness+ gets new workout formats tailored to perimenopause-related physical changes, including programs for joint pain, sleep disorders, and mood regulation. A visual intelligence feature lets users photograph food and receive nutrition hints.
The scrapped AI doctor and what it means
Apple originally planned an AI health coach as a standalone subscription product. The project was cancelled before iOS 27 beta launch. Health tech analysts following the development describe the reasoning this way: an AI giving health advice has a fundamentally different failure mode than a voice assistant giving wrong directions. If Siri suggests the wrong train, that is annoying. If a health AI gives bad advice, that can lead to wrong treatment decisions.
Apple appears to have recognized this. Rather than launching the health coach as a product, individual features are being rolled into the Health app incrementally, with tighter boundaries and without the promises of a full medical advisor. A possible timeline: later updates in the iOS 27 cycle, so earliest 2027. Even then, features will likely face different regulations in Europe than in the United States.
Samsung introduced similar health features for women earlier. Apple's late response to menstruation, pregnancy, and now perimenopause tracking follows a pattern: competitors test, Apple watches regulatory risks, then enters with a polished product. The Apple Watch platform is the deciding advantage here: continuous heart rate and blood oxygen sensors combined with the iPhone create a data foundation that app-only trackers lack.
What millions of users need and what's missing
For women in Europe, the perimenopause feature is potentially significant. Estimates suggest several million women in the region are in this life phase. The new notification can prompt earlier doctor appointments rather than years of attributing symptoms to general fatigue.
Two limitations matter substantially. First, the feature requires an Apple Watch, priced between 400 and over 1,200 euros, in addition to an iPhone. This severely restricts access. Second, privacy protection is only partially strong by default. Health data is encrypted on device when locked. In iCloud, end-to-end encryption is optional and users must actively enable it. It is not preset. Privacy organization Privacy International has repeatedly urged Apple to encrypt health data end-to-end by default, without requiring manual user configuration.
What iOS 27 shows and what still falls short
iOS 27 releases in September 2026. Health features become available then, initially without the AI health coach. What Apple in Cupertino has recognized is what gynecologists have emphasized for years: perimenopause is an underserved phase in healthcare. The iPhone cannot replace a doctor's visit, but it can prompt one.
What remains unclear is who has access to this data. Apple secures data on device. In the cloud, a residual risk remains as long as end-to-end encryption is not standard. And the AI health coach that never came is actually the most interesting part of the story: Apple apparently decided medical AI must roll out more slowly than entertainment AI. Whether that is the right strategy in an industry where competitors move faster will become clear in coming years.