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menstruation    音标拼音: [m,ɛnstru'eʃən]
n. 月经,月经期间

月经,月经期间

menstruation
n 1: the monthly discharge of blood from the uterus of
nonpregnant women from puberty to menopause; "the women
were sickly and subject to excessive menstruation"; "a
woman does not take the gout unless her menses be stopped"
--Hippocrates; "the semen begins to appear in males and to
be emitted at the same time of life that the catamenia
begin to flow in females"--Aristotle [synonym: {menstruation},
{menses}, {menstruum}, {catamenia}, {period}, {flow}]

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  • Menstruation - Wikipedia
    Menstruation is the most visible phase of the menstrual cycle and its beginning is used as the marker between cycles The first day of menstrual bleeding is the date used for the last menstrual period (LMP)
  • Menstrual Cycle (Normal Menstruation): Overview Phases
    Menstruation is also known by the terms menses, menstrual period, menstrual cycle or period Menstrual blood — which is partly blood and partly tissue from the inside of your uterus — flows from your uterus through your cervix and out of your body through your vagina
  • Menstruation and Menstrual Problems - Eunice Kennedy Shriver National . . .
    The menstrual cycle is the monthly process in which female hormones stimulate an ovary to release an egg, thicken the lining of the uterus to support a pregnancy, and then cause the uterus to shed this lining (through menstruation) if there is no pregnancy
  • Menstruation | Period | MedlinePlus
    Menstruation (or period) happens monthly As the uterus sheds its lining, vaginal bleeding follows Menstrual blood is made of blood and tissue
  • Menstrual cycle | Description, Phases, Hormonal Control, Ovulation . . .
    menstrual cycle, recurring fluctuations in hormone levels that produce physical changes in the uterus and ovaries to prepare the female body for pregnancy In adult women, the menstrual cycle lasts anywhere from 21 to 40 days, with the average being 28 days
  • What is Menstruation? | Get Facts About Having Your Period
    Menstruation — aka having your period — is when blood and tissue from your uterus comes out of your vagina It usually happens once every month
  • Periods and fertility in the menstrual cycle - NHS
    Regular cycles that are longer or shorter than this, from 21 to 35 days, are normal The menstrual cycle is the time from the first day of a woman's period to the day before her next period Girls can start their periods anywhere from age 8 upwards, but the average is around 12 years
  • Menstrual cycle: Whats normal, whats not - Mayo Clinic
    What's the menstrual cycle? The menstrual cycle is the monthly series of changes the body goes through to prepare for pregnancy Each month, one of the ovaries releases an egg This is called ovulation Hormonal changes at this time get the uterus ready for pregnancy
  • Menstrual cycle - Wikipedia
    Triggered by falling progesterone levels, menstruation (commonly referred to as a "period") is the cyclical shedding of the lining, and is a sign that pregnancy has not occurred Each cycle occurs in phases based on events either in the ovary (ovarian cycle) or in the uterus (uterine cycle)
  • What is a normal period cycle in your 20s, 30s and 40s? - Allina Health
    What is a normal period cycle in your 20s, 30s and 40s? Is this normal? Your period in your 20s, 30s and 40s Your menstrual cycle is always changing as your body ages The typical period lasts between 2 and 7 days A typical period cycle is 28 days Let’s talk menstrual cycles





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