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Related Experiment Videos

[Prolactin and the menstrual cycle].

N Topalski-Fistes1, M Bujas, M Maticki-Sekulić

  • 1Klinika za ginekologiju i akuserstvo, Medicinski fakultet, Novi Sad.

Medicinski Pregled
|June 3, 1999
PubMed
Summary

Serum prolactin levels fluctuate during the menstrual cycle, peaking in the periovulatory phase. Elevated prolactin was also observed in women with menstrual cycle disorders like oligo- and amenorrhea.

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Area of Science:

  • Endocrinology
  • Reproductive Biology
  • Clinical Chemistry

Context:

  • Serum prolactin levels are crucial for understanding reproductive health.
  • Menstrual cycle disorders can be linked to hormonal imbalances.
  • Hyperprolactinemia is a potential factor in conditions like oligo- and amenorrhea.

Purpose:

  • To investigate the dynamic changes in serum prolactin levels across different menstrual cycle phases.
  • To determine the prevalence of hyperprolactinemia in women experiencing menstrual cycle irregularities.

Summary:

  • Serum prolactin, follicle-stimulating hormone (FSH), and luteinizing hormone (LH) were measured in 50 women with normal cycles and 250 with disorders (oligo-/amenorrhea).
  • Prolactin levels varied significantly across menstrual phases, with the highest concentrations observed during the periovulatory period (p < 0.05).
  • Twenty-one percent of women with menstrual cycle disorders exhibited elevated prolactin levels, suggesting a link between hyperprolactinemia and cycle irregularities.

Impact:

  • Provides insights into normal prolactin fluctuations during the menstrual cycle.
  • Highlights the potential role of hyperprolactinemia in menstrual dysfunction.
  • Informs diagnostic approaches for women with irregular or absent menstruation.

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