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Updated: May 27, 2026

A Hyperandrogenic Mouse Model to Study Polycystic Ovary Syndrome
Published on: October 2, 2018
Update in hyper- and hypogonadotropic amenorrhea.
1Department of Obstetrics and Gynecology, University of Colorado School of Medicine, 12631 East 17th Avenue, Mail Stop B-198, Room AO1-4010, Aurora, Colorado 80045, USA. Nanette.Santoro@ucdenver.edu
Amenorrhea, or the absence of menstruation, affects up to 5% of women and signals potential bone and cardiovascular health risks. Recent research clarifies the long-term implications and health consequences of various ovulatory disorders.
Area of Science:
- Reproductive Endocrinology
- Women's Health
- Internal Medicine
Background:
- Amenorrhea affects up to 5% of adult women, extending beyond reproductive concerns.
- Menstrual cycle irregularities can impact bone and cardiovascular health, even with short episodes.
- Prolonged amenorrhea may indicate significant cardiovascular risk depending on the cause.
Purpose of the Study:
- To provide an update on recent medical literature concerning amenorrhea and related ovulatory disorders.
- To highlight the evolving understanding of common and less common menstrual disorders.
- To emphasize the increasing clarity of health consequences associated with menstrual disorders.
Main Methods:
- Review of recent medical literature on amenorrhea and ovulatory disorders.
- Synthesis of current research on the presentation and implications of these conditions.
Main Results:
- Increased recognition of early presentations of polycystic ovary syndrome and premature ovarian insufficiency/failure.
- Further elucidation of long-term implications and genetic origins of functional hypothalamic amenorrhea.
- Improved definition of health consequences for menstrual disorders, moving towards firmer clinical endpoints.
Conclusions:
- Amenorrhea and other ovulatory disorders have significant, well-defined health implications beyond reproduction.
- Early diagnosis and understanding of these conditions are crucial for managing long-term health risks.
- Ongoing research continues to refine our understanding of the etiology and clinical impact of menstrual disorders.
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