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Related Concept Videos

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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Secretory Phase01:19

Secretory Phase

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The secretory phase of the menstrual cycle, spanning from day 14 to 28 in a typical 28-day cycle, is a period of significant physiological changes in the female reproductive system. This phase commences immediately after ovulation and is characterized by the preparation of the endometrium for potential embryo implantation.
Following ovulation, the corpus luteum, a temporary endocrine structure, produces progesterone and estrogens. These hormones stimulate the growth and coiling of endometrial...
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Ovarian Cycle01:27

Ovarian Cycle

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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...
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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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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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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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Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model
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Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model

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The most valuable predictorsof endometrial receptivity.

N Kushniruk, T Fait

    Ceska Gynekologie
    |November 15, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Key factors influencing endometrial receptivity include specific homeobox gene expressions (HOX 10, HOX 11) and intrauterine macrophage activity. These elements are crucial for successful embryo implantation.

    Keywords:
    HOX genes.apolipoprotein Dcadherinsendometrial receptivitygene expressionimplantation failureintegrin β3osteoponinselectins

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    Related Experiment Videos

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    Methods for Studying Uterine Contributions to Pregnancy Establishment in an Ovariectomized Mouse Model
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    Two Methods for Establishing Primary Human Endometrial Stromal Cells from Hysterectomy Specimens
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    Generation of a Mouse Artificial Decidualization Model with Ovariectomy for Endometrial Decidualization Research
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    Area of Science:

    • Reproductive biology
    • Gynecology
    • Genetics

    Background:

    • Endometrial quality is critical for successful pregnancy.
    • Understanding factors affecting endometrial receptivity is essential for fertility treatments.

    Purpose of the Study:

    • To identify predictive factors for insufficient endometrial quality.
    • To review the molecular and cellular mechanisms underlying endometrial receptivity.

    Main Methods:

    • Literature review of existing research.
    • Analysis of data on gene expression and cellular activity.

    Main Results:

    • Homeobox genes (HOX 10, HOX 11) interact with hormone receptors to facilitate implantation.
    • Specific proteins (osteopontin, cadherin, selectin, apolipoprotein D, mucin) and macrophage activity are vital during the proliferative phase.
    • These factors collectively create optimal conditions for embryo implantation.

    Conclusions:

    • Endometrial gene expression patterns are key determinants of receptivity.
    • Intrauterine macrophage activity plays a significant role in the complex mechanism of endometrial receptivity.