The ovarian response to controlled stimulation in IVF cycles may be predictive of the age at menopause

A. La Marca, G. Dondi, G. Sighinolfi, S. Giulini, E. Papaleo, A. Cagnacci, M. J. Faddy

Research output: Contribution to journalArticlepeer-review

Abstract

STUDY QUESTION: Can the number of oocytes retrieved in IVF cycles be predictive of the age at menopause?

SUMMARY ANSWER: The number of retrieved oocytes can be used as an indirect assessment of the extent of ovarian reserve to provide information on the duration of the reproductive life span in women of different ages.

WHAT IS KNOWN ALREADY: Menopause is determined by the exhaustion of the ovarian follicular pool. Ovarian reserve is the main factor influencing ovarian response in IVF cycles. As a consequence the response to ovarian stimulation with the administration of gonadotrophins in IVF treatment may be informative about the age at menopause.

STUDY DESIGN, SIZE, DURATION: In the present cross-sectional study, participants were 1585 infertile women from an IVF clinic and 2635 menopausal women from a more general population.

PARTICIPANTS/MATERIALS, SETTING, METHODS: For all infertile women, the response to ovarian stimulation with gonadotrophins was recorded. For menopausal women, relevant demographic characteristics were available for the analysis.

MAIN RESULTS AND THE ROLE OF CHANCE: A cubic function described the relationship between mean numbers of oocytes and age, with all terms being statistically significant. From the estimated residual distribution of the actual number of oocytes about this mean, a distribution of the age when there would be no oocytes retrieved following ovarian stimulation was derived. This was compared with the distribution of the age at menopause from the menopausal women, showing that menopause occurred about a year later.

LIMITATIONS, REASONS FOR CAUTION: The retrieved oocyte data were from infertile women, while the menopausal ages were from a more general population.

WIDER IMPLICATIONS OF THE FINDINGS: In the present study, we have shown some similarity between the distributions of the age when no retrieved oocytes can be expected after ovarian stimulation and the age at menopause. For a given age, the lower the ovarian reserve, the lower the number of retrieved oocytes would be and the earlier the age that menopause would occur.

STUDY FUNDING/COMPETING INTEREST(S): This work was supported by a grant from the Italian Ministry of Health (GR-2009-1580036). There are no conflicts of interest.

Original languageEnglish
Pages (from-to)2530-2535
Number of pages6
JournalHuman Reproduction
Volume29
Issue number11
DOIs
Publication statusPublished - Mar 29 2014

Keywords

  • menopause prediction
  • oocytes
  • ovarian reserve

ASJC Scopus subject areas

  • Rehabilitation
  • Obstetrics and Gynaecology
  • Reproductive Medicine
  • Medicine(all)

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