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  2. 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 ...

  3. File:Hormones estradiol, progesterone, LH and FSH during ...

    en.wikipedia.org/wiki/File:Hormones_estradiol...

    Day number 1 corresponds to 0 to 0.99 days from LMP, and Day number 2 corresponds to 1.00 to 1.99 days from LMP and so forth. The time scale ends at whatever is the actual next menstruation, which marks the beginning of the next cycle, which is equivalent to starting all over again from the beginning of the time scale. The diagram accounts for ...

  4. 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 ...

  5. Why do doctors always ask about your last menstrual period ...

    www.aol.com/lifestyle/why-doctors-always-ask...

    Vash-Margita says that regular periods are “a sign of a healthy body.” She explains that periods that stop or are spaced out more than 45 days apart may be a symptom of “thyroid gland ...

  6. Luteal phase - Wikipedia

    en.wikipedia.org/wiki/Luteal_phase

    Menstrual cycle. The menstrual cycle is on average 28 days in length. It begins with menses (day 1–7) during the follicular phase (day 1–14), followed by ovulation (day 14) and ending with the luteal phase (day 14–28). [1]

  7. CycleBeads - Wikipedia

    en.wikipedia.org/wiki/CycleBeads

    A CycleBeads birth control chain, used for a rough estimate of fertility based on days since menstruation. CycleBeads is a visual tool that was developed by the Institute for Reproductive Health at Georgetown University. This device helps women use the Standard Days Method, a fertility awareness-based family planning method. The sole ...

  8. Calendar-based contraceptive methods - Wikipedia

    en.wikipedia.org/wiki/Calendar-based...

    The standard days method is also considered a calendar-based method, because when using it, a woman tracks the days of her menstrual cycle without observing her physical fertility signs. The standard days method is based on a fixed formula taking into consideration the timing of ovulation, the functional life of the sperm and the ovum, and the ...

  9. Anovulatory cycle - Wikipedia

    en.wikipedia.org/wiki/Anovulatory_cycle

    In many circumstances, menstrual intervals are prolonged, reaching 35–180 days (oligomenorrhea) or even longer . In other cases, menstruation may be fairly regular (eumenorrhea), more frequent (intervals of less than 21 days) or there may be a loss of menstrual pattern (menorrhagia, dysfunctional uterine bleeding).