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  2. Endometrium - Wikipedia

    en.wikipedia.org/wiki/Endometrium

    The endometrium is the inner epithelial layer, along with its mucous membrane, of the mammalian uterus.It has a basal layer and a functional layer: the basal layer contains stem cells which regenerate the functional layer. [1]

  3. FIGO classification of uterine bleeding - Wikipedia

    en.wikipedia.org/wiki/FIGO_classification_of...

    Abnormal uterine bleeding (AUB) in the reproductive years, unrelated to pregnancy, is rarely life-threatening, but is frequently life altering. The symptoms frequently interfere with quality of life and those girls and women affected by chronic AUB spend significant amounts of personal resources on menstrual products and medications.

  4. Menstruation - Wikipedia

    en.wikipedia.org/wiki/Menstruation

    Diagram illustrating how the uterus lining builds up and breaks down during the menstrual cycle Menstruation (also known as a period, among other colloquial terms) is the regular discharge of blood and mucosal tissue from the inner lining of the uterus through the vagina. The menstrual cycle is characterized by the rise and fall of hormones. Menstruation is triggered by falling progesterone ...

  5. Female reproductive system - Wikipedia

    en.wikipedia.org/wiki/Female_reproductive_system

    The uterus or womb is the major female reproductive organ. The uterus provides mechanical protection, nutritional support, and waste removal for the developing embryo (weeks 1 to 8) and fetus (from week 9 until the delivery). In addition, contractions in the muscular wall of the uterus are important in pushing out the fetus at the time of birth.

  6. Menstrual disorder - Wikipedia

    en.wikipedia.org/wiki/Menstrual_disorder

    Abnormal uterine bleeding (AUB) is a broad term used to describe any disruption in bleeding that involves the volume, duration, and/or regularity of flow. Bleeding may occur frequently or infrequently, and can occur between periods, after sexual intercourse, and after menopause. Bleeding during pregnancy is excluded. [12]

  7. Chorionic hematoma - Wikipedia

    en.wikipedia.org/wiki/Chorionic_hematoma

    Chorionic hematoma is the pooling of blood between the chorion, a membrane surrounding the embryo, and the uterine wall. [2] It occurs in about 3.1% of all pregnancies, [2] it is the most common sonographic abnormality and the most common cause of first trimester bleeding. [3]

  8. Obstetrical bleeding - Wikipedia

    en.wikipedia.org/wiki/Obstetrical_bleeding

    Besides placenta previa and placental abruption, uterine rupture can occur, which is a very serious condition leading to internal or external bleeding. Bleeding from the fetus is rare, but may occur with two conditions called vasa previa and velamentous umbilical cord insertion where the fetal blood vessels lie near the placental insertion site unprotected by Wharton's jelly of the cord. [11]

  9. Endometrial arteries - Wikipedia

    en.wikipedia.org/wiki/Endometrial_arteries

    The joining of endometrial arteries and veins of the endometrium is known as arteriovenous. [1] Endometrial arteries are also involved in the menstrual cycle. When the egg implants onto the endometrium and is not fertilized the endometrial arteries become narrow and the endometrium begins to disintegrate. [ 3 ]