A health expert has highlighted that the long-debated relationship between Polycystic Ovary Syndrome (PCOS) and weight gain may be better understood through a broader medical framing of the condition, now being referred to by some specialists as Polyendocrine Metabolic Ovarian Syndrome (PMOS). The discussion centres on how metabolic dysfunction and hormonal imbalance are deeply interconnected in the condition.
According to World Health Organization estimates cited by experts, PCOS affects around 8–13% of women of reproductive age globally, while a large proportion of cases remain undiagnosed. Doctors say this lack of awareness has contributed to confusion around symptoms, particularly weight gain, insulin resistance, and difficulty losing weight despite lifestyle changes.
Dr Neha Shah, a weight loss specialist and co-founder of TheGoodWeight.com, explained that many patients struggle with the belief that “eat less, move more” should be sufficient for weight loss. She said this approach often fails because underlying hormonal and metabolic disruptions alter how the body processes and stores fat, especially in women with PCOS-related conditions.
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She noted that the term PCOS historically focused attention mainly on ovarian and reproductive symptoms such as irregular periods and cysts, while the broader endocrine and metabolic aspects were often overlooked. The proposed term PMOS, she said, aims to highlight that the condition affects the entire hormonal and metabolic system rather than being limited to gynecological concerns.
Dr Shah explained that weight gain and PCOS often form a reinforcing cycle. The condition can contribute to insulin resistance, increasing fat storage—particularly around the abdomen—while excess weight can further worsen hormonal imbalance and metabolic dysfunction. This bidirectional relationship, she said, is often missed when the disorder is viewed too narrowly.
She advised that evaluation of the condition should go beyond ultrasound findings and include metabolic markers such as insulin resistance and fasting insulin levels. According to her, a more comprehensive diagnostic approach can help patients and doctors better understand the condition and design more effective long-term treatment strategies.
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