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Related Experiment Videos

Ovulation induction.

Roy Homburg1

  • 1Division of Reproductive Medicine, Department of Obstetrics and Gynaecology, Free University Medical Center, PO Box 7057, 1007 MB Amsterdam, The Netherlands. r.homburg@vumc.nl

Expert Opinion on Pharmacotherapy
|November 5, 2003
PubMed
Summary

Anovulation, a cause of infertility, is treatable with a diagnostic scheme. Treatments include gonadotropins for low hormone levels and clomiphene citrate or FSH for PCOS-related anovulation.

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Area of Science:

  • Reproductive Endocrinology
  • Infertility Management

Background:

  • Anovulation is a frequent cause of female infertility.
  • It is a highly treatable condition with established protocols.

Purpose of the Study:

  • To present a simple, treatment-oriented diagnostic scheme for anovulation.
  • To compare different gonadotropin preparations and their efficacy.

Main Methods:

  • Categorization of anovulatory women based on hormone levels (low oestradiol/FSH vs. eu-oestrogenic).
  • Treatment initiation with pulsatile GnRH or gonadotropins for hypogonadotropic anovulation.
  • First-line treatment with clomiphene citrate (CC) and metformin for PCOS-related anovulation.
  • Sequential treatment with low-dose FSH if CC fails.
  • Comparison of urinary, recombinant, and pure FSH with LH-containing gonadotropins.

Main Results:

  • Pulsatile GnRH or gonadotropins are used for anovulation with low endogenous hormones.
  • Clomiphene citrate (CC) is the primary treatment for eu-oestrogenic anovulation, often associated with PCOS.
  • Low-dose FSH protocols are effective when CC fails.
  • Recombinant gonadotropins offer purity and convenience but at a higher cost.
  • LH content is generally not critical, except in specific conditions like hypogonadotropic hypogonadism.

Conclusions:

  • A structured diagnostic and treatment approach can effectively manage anovulatory infertility.
  • Different gonadotropin formulations have varying benefits and costs.
  • Future treatments may include aromatase inhibitors, recombinant LH, and long-acting FSH.

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