Polycystic ovary syndrome or hyperprolactinaemia: A study of mild hyperprolactinaemia

Hung Wen Su, Ching-Min Chen, Szu-Yuan Chou, So Jung Liang, Chun-Sen Hsu, Ming I. Hsu

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Polycystic ovary syndrome (PCOS) and hyperprolactinaemia are both common causes of secondary amenorrhoea in reproductive women. The relationship between PCOS and hyperprolactinaemia has been reported with controversial results. To evaluate the clinical and laboratory features of women with mild hyperprolactinaemia and PCOS, we studied 474 Taiwan Chinese women: 101 had mild hyperprolactinaemia, 266 had PCOS and 107 were the control group. In this study, we found that 64% of the women with mild hyperprolactinaemia fulfilled the PCOS diagnostic criteria, regardless of their prolactin levels. Obese women with PCOS had significantly lower luteinising hormone (LH) and LH-to-FSH ratios than non-obese women with PCOS. Obese hyperprolactinaemic women had significantly lower follicle-stimulating hormone (FSH), but higher LH-to-FSH ratios than the non-obese hyperprolactinaemic women. For women with PCOS, the BMIs were significantly negative with LH (γ = -0.253, p <0.001), but not with FSH (γ = -0.061, p = 0.319). For the hyperprolactinaemic women, the BMIs were significantly negative with FSH (γ = -0.353, p

Original languageEnglish
Pages (from-to)55-62
Number of pages8
JournalGynecological Endocrinology
Issue number1
Publication statusPublished - Jan 2011


  • FSH
  • hyperprolactinaemia
  • LH
  • LH-to-FSH ratio
  • obese
  • polycystic ovaries
  • Polycystic ovary syndrome

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism
  • Obstetrics and Gynaecology


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