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Related Concept Videos

Menopause01:28

Menopause

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Menopause, a natural biological process marking the end of a woman's fertility, typically occurs between the fifth and sixth decade of life. This phase is characterized by the exhaustion of the ovarian follicle pool, leading to less responsive ovaries despite the high levels of Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH). The consequential decrease in estrogen production results in symptoms like hot flashes, heavy sweating, headaches, hair loss, muscle pains, vaginal...
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Hormonal Regulation of the Menstrual Cycle01:22

Hormonal Regulation of the Menstrual Cycle

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The ovarian cycle regulates endometrial changes throughout a single menstrual cycle via the coordinated action of gonadotrophin-releasing hormone (GnRH) and gonadotrophins.
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH...
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The Menstrual Cycle01:19

The Menstrual Cycle

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The menstrual cycle is a recurrent sequence of changes in the uterine endometrium, specifically its functional layer, the stratum functionalis. This cycle prepares the uterus for potential pregnancy. This cycle typically spans 21–35 days, averaging 28 days, and aligns with the ovarian cycle, regulated by fluctuating levels of ovarian hormones, primarily estrogen and progesterone.
The menstrual phase occurs from days 1 to 5 and involves the shedding of the stratum functionalis, as a...
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Oogenesis02:07

Oogenesis

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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...
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Oogenesis01:22

Oogenesis

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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.
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Disorders of the Female Reproductive System01:24

Disorders of the Female Reproductive System

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The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
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An In Vivo Estrogen Deficiency Mouse Model for Screening Exogenous Estrogen Treatments of Cardiovascular Dysfunction After Menopause
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Gaps in menopause knowledge.

Sun Kyoung Yum1, Tak Kim1

  • 1Department of Obstetrics & Gynecology, Korea University Anam Hospital, Seoul, Korea.

Journal of Menopausal Medicine
|November 6, 2014
PubMed
Summary
This summary is machine-generated.

Menopause involves complex endocrine fluctuations impacting women

Keywords:
Health knowledge attitudes practiceHormonesMenopauseWomen's health

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Area of Science:

  • Endocrinology
  • Reproductive Biology
  • Genetics

Background:

  • Menopause is characterized by significant endocrine fluctuations due to changes in ovarian hormones.
  • Ovarian steroid hormones influence gene transcription, affecting various body systems.
  • Individual constitutional factors, health status, and environmental exposures add complexity to predicting menopausal changes.

Purpose of the Study:

  • To review and clarify controversies in the clinical management of menopausal women.
  • To address the complexities arising from inter-study sampling differences in menopause research.

Main Methods:

  • Literature review of existing menopause research.
  • Analysis of factors contributing to conflicting conclusions in menopause studies.
  • Synthesis of information on endocrine fluctuations and their systemic effects.

Main Results:

  • Hormonal changes during menopause are tissue-specific and state-specific.
  • The interplay of hormonal shifts with individual factors makes outcomes highly variable and difficult to predict.
  • Methodological differences in research studies contribute to discrepancies in findings.

Conclusions:

  • The complexity of menopausal changes necessitates a nuanced approach to patient care.
  • Further research is needed to reconcile conflicting findings and establish standardized care guidelines.
  • Understanding individual variability is crucial for effective management of menopausal symptoms.