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# The Product Lifecycle

Building a digital health product requires navigating a unique lifecycle that blends traditional product development with clinical validation, regulatory compliance, and healthcare-specific go-to-market strategies.

The following chapters walk through each phase:

Understand the problem, market, users, and clinical evidence before building

Define your product vision, value proposition, and market position

Design seamless patient and provider journeys across touchpoints

Create interfaces that patients and clinicians love to use

Bridge digital and physical with medical device design

Build secure, scalable, compliant health applications

Ensure your product works and meets clinical standards

Take your health product to market successfully

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## Why This Matters

Health products fail more often from process gaps than from technical failures. Skipping discovery leads to building the wrong thing. Skipping clinical validation means you can't prove efficacy. Skipping service design means your product doesn't fit into real clinical workflows.

This lifecycle is designed to de-risk health product development by making the invisible work visible, and by ensuring that each phase produces the outputs needed for the next.

## Key Principle: Parallel, Not Sequential

While presented linearly, many phases happen in parallel. Discovery informs strategy. Design and development iterate together. Testing happens throughout. The key is knowing what outputs each phase must produce before moving forward.