Related Experiment Video
Updated: Feb 13, 2026

07:59
Ultrasonography in Experimental Reproductive Investigations on Rats
Published on: December 2, 2017
15.1K
Reproductive ageing-turning back the clock?
Yvonne O'Brien1,2,3, Mary B Wingfield4,5,6
1Merrion Fertility Clinic, National Maternity Hospital, 60 Lower Mount Street, Dublin 2, D02 NH93, Ireland. yobrien@merrionfertility.ie.
Irish Journal of Medical Science
|March 4, 2018
Summary
Delayed childbearing due to societal factors leads to unintended childlessness. While reproductive technologies offer hope, they cannot always reverse the effects of reproductive aging.
Area of Science:
- Reproductive medicine
- Demography
- Sociology
Background:
- Delayed childbearing is a growing trend in industrialized nations, with increasing maternal age at first birth.
- Societal factors significantly influence the decision of women to postpone motherhood.
- This trend results in a higher incidence of unintended childlessness.
Purpose of the Study:
- To review the reasons for delayed childbearing.
- To examine the impact of delayed childbearing on women's reproductive health.
- To discuss scientific advancements aimed at counteracting reproductive aging and preserving reproductive autonomy.
Main Methods:
- Extensive literature search of PubMed for relevant articles on delayed childbearing and reproductive aging.
- Inclusion of all published articles and identification of secondary articles from reference lists.
Main Results:
- Continued trends in delayed childbearing will likely increase the number of women experiencing unintended childlessness.
- Assisted reproductive technologies are increasingly sought to maintain reproductive autonomy.
- The effectiveness of interventions in reversing reproductive aging is not guaranteed.
Conclusions:
- Unintended childlessness is a significant risk associated with delayed childbearing.
- Reproductive technologies may offer solutions but cannot fully overcome reproductive aging.
- Women face challenges in achieving reproductive autonomy due to biological and societal factors.
Related Concept Videos
Reproductive Cloning
32.8K
Reproductive cloning is the process of producing a genetically identical copy—a clone—of an entire organism. While clones can be produced by splitting an early embryo—similar to what happens naturally with identical twins—cloning of adult animals is usually done by a process called somatic cell nuclear transfer (SCNT).
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...
Somatic Cell Nuclear Transfer
In SCNT, an egg cell is taken from an animal and its nucleus is removed, creating an enucleated egg. Then a somatic...
32.8K
Biological Clocks and Seasonal Responses
41.8K
The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.
41.8K
Asexual Reproduction
37.6K
Asexual reproduction allows plants to reproduce without growing flowers, attracting pollinators, or dispersing seeds. Offspring are genetically identical to the parent and produced without the fusion of male and female gametes.
37.6K
Overview of the Reproductive System
5.8K
The reproductive system generates offspring, ensuring the survival of the species. In humans, the reproductive system is complex and involves a variety of organs and hormones that work together to ensure successful reproduction.
The gonads, or primary reproductive organs, produce gametes and sex hormones. In males, the testes produce spermatozoa and testosterone, which is responsible for developing secondary male sex characteristics, including a deeper voice, larger muscles, facial and body...
The gonads, or primary reproductive organs, produce gametes and sex hormones. In males, the testes produce spermatozoa and testosterone, which is responsible for developing secondary male sex characteristics, including a deeper voice, larger muscles, facial and body...
5.8K
Aging
833
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
833
Disorders of the Male Reproductive System
5.1K
Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
5.1K

