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  2. Menstruation - Wikipedia

    en.wikipedia.org/wiki/Menstruation

    Menstrual fluid is the correct name for the flow, although many people prefer to refer to it as menstrual blood. Menstrual fluid is reddish-brown, a slightly darker color than venous blood. [12]: 381 About half of menstrual fluid is blood. This blood contains sodium, calcium, phosphate, iron, and chloride, the extent of which depends on the woman.

  3. Menstrual cycle - Wikipedia

    en.wikipedia.org/wiki/Menstrual_cycle

    Menstrual cycle The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system that makes pregnancy possible. The ovarian cycle controls the production and release of eggs and the cyclic release of estrogen and progesterone. The uterine cycle governs the preparation and maintenance of the lining of the ...

  4. Ovulation - Wikipedia

    en.wikipedia.org/wiki/Ovulation

    Ovulation marks the end of the follicular phase of the ovarian cycle, and the start of the luteal phase. Ovulation is the release of egg cells from the ovaries as part of the ovarian cycle for most vertebrates. In women, this event occurs at the end of the follicular phase, when the ovarian follicles rupture and release the secondary oocyte ...

  5. Glomerular filtration rate - Wikipedia

    en.wikipedia.org/wiki/Glomerular_filtration_rate

    A major measure of kidney function is the glomerular filtration rate (GFR). The glomerular filtration rate is the flow rate of filtered fluid through the kidney. The creatinine clearance rate (CCr or CrCl) is the volume of blood plasma that is cleared of creatinine per unit time and is a useful measure for approximating the GFR.

  6. Menarche - Wikipedia

    en.wikipedia.org/wiki/Menarche

    t. e. Menarche (/ məˈnɑːrki / mə-NAR-kee; from Ancient Greek μήν (mēn) 'month' and ἀρχή (arkhē) 'beginning') is the first menstrual cycle, or first menstrual bleeding, in female humans. From both social and medical perspectives, it is often considered the central event of female puberty, as it signals the possibility of fertility.

  7. Heavy menstrual bleeding - Wikipedia

    en.wikipedia.org/wiki/Heavy_menstrual_bleeding

    A normal menstrual cycle is 21–35 days in duration, with bleeding lasting an average of 5 days and total blood flow between 25 and 80 mL. Heavy menstrual bleeding is defined as total menstrual flow >80ml per cycle, soaking a pad/tampon at least every 2 hours, changing a pad/tampon in the middle of the night, or bleeding lasting for >7 days.

  8. Flo (app) - Wikipedia

    en.wikipedia.org/wiki/Flo_(app)

    flo.health. Flo is a health app that provides menstrual cycle and ovulation tracking. [1] The application is available on iOS and Android. [2] Application's development hubs are in London, Amsterdam and Vilnius. [3][4] Flo has over 350 million downloads worldwide and 60 million monthly active users as of February 2024. [5]

  9. Tampon - Wikipedia

    en.wikipedia.org/wiki/Tampon

    A tampon in its dry, unused state. A tampon is a menstrual product designed to absorb blood and vaginal secretions by insertion into the vagina during menstruation. Unlike a pad, it is placed internally, inside of the vaginal canal. [1] Once inserted correctly, a tampon is held in place by the vagina and expands as it soaks up menstrual blood.