Impact of Reducing Obesity in PCOS: Methods and Treatment Outcomes

Area of Science:

• Reproductive Endocrinology
• Metabolic Health
• Obesity Medicine

Background:

• Obesity is a growing concern, affecting 41% of US women and increasing risks for adverse health events, including reproductive issues like menstrual irregularities and endometrial cancer.
• Obesity is closely linked with polycystic ovarian syndrome (PCOS), characterized by hyperandrogenism and anovulation. Women with both conditions often experience a more severe phenotype, with heightened risks for chronic anovulation, metabolic disturbances, and reduced fertility.
• Weight management is fundamental for patients with obesity and PCOS, improving cardiovascular risk factors, menstrual regularity, ovulation, and pregnancy rates.

Purpose of the Study:

• To review and compare various weight loss strategies for women with obesity and PCOS.
• To provide clinicians with evidence-based information to guide individualized treatment decisions for PCOS management.
• To explore the impact of lifestyle modifications, medications, and bariatric surgery on PCOS symptoms and associated health risks.

Main Methods:

• This narrative review synthesizes current literature on weight loss interventions for women with obesity and PCOS.
• It compares the efficacy of lifestyle modifications (diet, exercise, behavioral therapies), pharmacotherapy (e.g., GLP-1 receptor agonists), and bariatric surgery.
• The review considers factors such as patient goals, risk tolerance, and comorbidities in treatment selection.

Main Results:

• Lifestyle modifications, including low glycemic index diets (ketogenic, DASH) and vitamin D supplementation, are foundational first-line interventions.
• Emerging data highlight the role of newer weight loss medications, such as GLP-1 receptor agonists, in managing PCOS and cardiovascular risk.
• Bariatric surgery and pharmacotherapy offer significant weight loss and metabolic improvements, though require personalized assessment of risks and benefits.

Conclusions:

• A personalized approach is essential for treating PCOS in women with obesity, considering individual reproductive aspirations and health status.
• Weight loss interventions significantly improve hormonal balance, insulin sensitivity, menstrual function, and fertility in women with PCOS and obesity.
• Clinicians should carefully evaluate patient-specific factors to recommend the most effective and sustainable weight loss strategy for managing PCOS.