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Fatty liver in a young woman: ask about PCOS

Link fatty liver and PCOS in young women, and screen each for the other.

Polycystic ovary syndrome is common and strongly associated with insulin resistance and steatotic liver disease, often at a younger age and lower BMI than clinicians expect.

In a young woman with raised transaminases or steatosis on ultrasound, ask about menstrual irregularity, hirsutism and acne, and consider PCOS. The reverse also applies: women with PCOS merit metabolic screening, including liver assessment with a non-invasive fibrosis score.

Weight-focused lifestyle change helps both conditions and is the first step.

  • Ask about menstrual history in young women with steatosis
  • Screen women with PCOS for metabolic liver disease
  • Use a non-invasive fibrosis score such as FIB-4 for triage
  • Lifestyle and weight change remain the first step for both conditions

Why it matters

MASLD in young women is easily put down to weight alone, missing a treatable endocrine driver.

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