Promotion of a Standardized Diagnostic and Treatment Pathway for Polycystic Ovary Syndrome Based on a Bidirectional Referral System

The goal of this clinical trial is to: 1. promote and optimize standardized diagnostic and treatment pathways for polycystic ovary syndrome (PCOS) and to investigate the clinical phenotypic characteristics of PCOS; 2. establish a bidirectional referral system and standardized referral pathways for PCOS; 3. comprehensively evaluate the effectiveness of standardized PCOS care pathways based on a bidirectional referral system; 4. collaborate with technical partners to develop an information-based clinical management platform for PCOS suitable for use in primary healthcare settings; and 5. investigate the effects of combined lifestyle intervention and prebiotic supplementation on insulin resistance and glucose-lipid metabolism in patients with PCOS. The main questions this study aims to answer are: 1. What are the clinical phenotypic characteristics of PCOS, and how effective are standardized diagnostic and treatment pathways for PCOS? 2. What are the effects of combined lifestyle intervention and prebiotic supplementation, implemented within standardized diagnostic and treatment pathways for PCOS, on insulin resistance and glucose-lipid metabolism in patients with PCOS? Researchers will compare standardized diagnostic and treatment pathways for PCOS before and after implementation to assess improvements in clinical outcomes in patients with PCOS, and will also compare lifestyle intervention with and without prebiotic supplementation to determine whether prebiotic supplementation can improve insulin resistance and glucos-lipid metabolism in patients with PCOS. All participants will first undergo a 12-week run-in phase, during which standardized diagnostic and treatment pathways for PCOS combined with lifestyle intervention will be implemented uniformly. After completion of the run-in phase and randomization at Week 12, participants will be assigned to one of two parallel intervention arms. Participants in the control arm will continue to receive lifestyle intervent