Polycystic ovarian syndrome, also known as PCOS syndrome, is one of the most common women's diseases. Stars such as Emma Thompson, ex-Spice Girls singer Victoria Beckham and singer Annemarie Eilfeld are said to suffer from it.

High concentration of male hormones leads to masculinization and thus the development of excessively masculine characteristics. Many sufferers suffer from insulin resistance or prediabetes because the body's cells are resistant to the effects of insulin. If insulin resistance is moderate to severe, diabetes can develop.