Related Experiment Video
Updated: Dec 8, 2025

12:03
Fertility Preservation in Patients with Severe Ovarian Dysfunction
Published on: March 25, 2021
4.8K
Recent advances in understanding primary ovarian insufficiency
Victoria Wesevich1, Amanada N Kellen2, Lubna Pal2
1Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA.
F1000Research
|September 16, 2020
Summary
Primary ovarian insufficiency (POI) is a premature loss of ovarian function. Recent genetic and translational research advances offer new insights into its causes and potential treatments for affected women.
Area of Science:
- Reproductive Medicine
- Genetics
- Endocrinology
Background:
- Primary ovarian insufficiency (POI) involves premature depletion of ovarian follicles.
- Previously considered idiopathic, POI mechanisms are increasingly understood.
- Advances in genetics and translational models are key.
Purpose of the Study:
- To review recent progress in understanding POI.
- To highlight preventative and therapeutic implications.
- To inform multidisciplinary readers in reproductive medicine.
Main Methods:
- Review of current literature on POI.
- Analysis of genetic discoveries.
- Evaluation of translational research models.
Main Results:
- Significant progress in identifying POI mechanisms.
- Emerging genetic targets for POI.
- Development of experimental models for POI research.
Conclusions:
- Understanding POI has advanced significantly.
- New therapeutic and preventative strategies are emerging.
- Genetics and translational research are crucial for managing POI.
Related Concept Videos
Oogenesis
68.3K
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
68.3K
Oogenesis
3.3K
Oogenesis, the process of developing egg cells (female gametes), occurs within the ovaries and is fundamental to female fertility. This sequence begins during fetal development when diploid oogonia in the developing ovaries undergo mitotic divisions to produce primary oocytes. By birth, these primary oocytes enter prophase I of meiosis but become arrested in this stage, remaining suspended until puberty.
Each primary oocyte is surrounded by a layer of pre-granulosa cells, forming what is...
Each primary oocyte is surrounded by a layer of pre-granulosa cells, forming what is...
3.3K
Ovarian Cycle
2.9K
The menstrual cycle includes a critical component known as the ovarian cycle, which undergoes two main phases each month—the follicular phase and the luteal phase. The follicular phase is variable and averaging around 14 days. Ovulation, triggered by a surge in luteinizing hormone (LH), marks the transition between the two phases. The second phase, the luteal phase, is relatively consistent, lasting approximately 14 days, and is marked by the activity of the corpus luteum. While a cycle...
2.9K
Folliculogenesis
1.7K
Folliculogenesis is the development of ovarian follicles, the specialized structures within the ovarian cortex where oogenesis, or egg development, occurs. This process is essential for female reproductive health and begins during fetal development when primordial follicles are formed. Each primordial follicle comprises a primary oocyte in the center, surrounded by a single layer of squamous pre-granulosa cells. These follicles remain dormant in late prophase I of meiosis until triggered by...
1.7K
Infertility in Females
3.5K
Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
Endometriosis, a condition characterized by abnormal growth of...
Endometriosis, a condition characterized by abnormal growth of...
3.5K
Hormonal Control of the Ovarian Cycle
6.1K
The ovarian cycle is meticulously regulated by the hypothalamic-pituitary-gonadal axis. This cycle orchestrates the release of a mature oocyte, essential for reproduction.
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle. At puberty, GnRH secretion increases in both frequency and...
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle. At puberty, GnRH secretion increases in both frequency and...
6.1K

