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Orthotopic Ovarian Transplantation Procedures to Investigate the Life- and Health-span Influence of Ovarian Senescence in Female Mice
Published on: February 12, 2018
Ovarian aging: mechanisms and clinical consequences
F J Broekmans1, M R Soules, B C Fauser
1Department of Reproductive Medicine and Gynecology, University Medical Center, Utrecht, The Netherlands. f.broekmans@umcutrecht.nl
Endocrine Reviews
|July 11, 2009
Summary
Ovarian aging leads to menopause and declining fertility due to reduced follicle numbers and oocyte quality. Understanding these mechanisms can help predict menopause and extend reproductive lifespan.
Area of Science:
- Reproductive biology
- Endocrinology
- Genetics
Background:
- Menopause signifies the end of ovarian aging, characterized by decreasing follicle numbers, leading to irregular cycles and infertility.
- Ovarian aging involves a decline in oocyte quality, contributing to reduced fertility and eventual sterility.
- Endocrine changes, including elevated FSH and decreased anti-Mullerian hormone, reflect the diminishing antral follicle cohort with age.
Purpose of the Study:
- To explore the mechanisms of ovarian aging and its impact on reproductive lifespan.
- To evaluate the clinical relevance of identifying diminished ovarian reserve and predicting menopause.
- To investigate the potential of genetic factors in determining follicle pool development and wastage.
Main Methods:
- Review of endocrine changes associated with ovarian aging, including FSH and anti-Mullerian hormone levels.
- Assessment of ovarian reserve tests for predicting ART stimulation response.
- Analysis of genetic studies (candidate gene and GWAS) identifying loci related to follicle development and pool size.
Main Results:
- Decreasing follicle numbers and oocyte quality drive menopause and infertility.
- Ovarian reserve tests accurately predict ART stimulation response but have limited predictive capacity for spontaneous or post-ART pregnancy.
- Genetic variations influence fetal follicle pool development and its subsequent depletion over time.
Conclusions:
- Understanding ovarian aging mechanisms is crucial for predicting menopause and assessing reproductive lifespan.
- Genetic insights may offer future tools for predicting menopause and potentially manipulating folliculogenesis.
- Further research could lead to methods for contraception and extending fertility duration.
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