noun. men· stru· a· tion ˌmen (t)-strə-ˈwā-shən. men-ˈstrā-shən. : a discharging of blood, secretions, and tissue debris from the uterus at periods of approximately one month in female primates of breeding age that are not pregnant. also : period sense 3c.

22/05/2017 · Menstruation, or period, is normal vaginal bleeding that occurs as part of a woman's monthly cycle. Every month, your body prepares for pregnancy. If no pregnancy occurs, the uterus, or womb, sheds its lining. The menstrual blood is partly blood and partly tissue from inside the uterus. It passes out of the body through the vagina.

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 levels and is a sign that pregnancy has not occurred.. The first period, a point in …

menstruation The periodic shedding of the lining ( ENDOMETRIUM) of the womb (uterus) at intervals of about 28 days causing bleeding through the vagina of 3 to 7 days duration in the non-pregnant female. The purpose of menstruation is to renew the endometrium so that it is in a suitable state to ensure implantation of a fertilized egg (ovum).

menstruation / ( ˌmɛnstrʊˈeɪʃən) / noun the approximately monthly discharge of blood and cellular debris from the uterus by nonpregnant women from puberty to the menopauseAlso called: menses Nontechnical name: period Derived forms of menstruation menstruous (ˈmɛnstrʊəs ), adjective

Menstruation — aka having your period — is when blood and tissue from your uterus comes out of your vagina. It usually happens every month. Problems with your period? Find a Health Center What’s the menstrual cycle? Your menstrual cycle helps your body prepare for pregnancy every month. It also makes you have a period if you’re not pregnant.

(ˌmɛn struˈeɪ ʃən, -ˈstreɪ-) n. 1. the periodic discharge of blood and mucosal tissue from the uterus, occurring approximately monthly from puberty to menopause in nonpregnant women and females of other primate species. 2. the period of menstruating. [1770–80] men′stru•ous (-stru əs, -strəs) adj.

24/02/2022 · Menstruation is when the lining of the uterus sheds, breaking down into blood. This blood then leaves the body through the vagina. It is also known as a period. Periods usually last around 3–7...

Menstruation: Menstruation is the breakdown of the uterus' endometrial lining and blood vessels, resulting in a liquid that is expelled through the vaginal canal. The menstrual flow lasts for three to five days. Menstruation occurs every 28/29 days in human females. If the released ovum is not fertilized, menstruation begins.

30/11/2017 · menstruation noun [ U ] formal uk / ˌmen.struˈeɪ.ʃ ə n / us / ˌmen.struˈeɪ.ʃ ə n / the process of menstruating: the onset of menstruation Compare the curse old-fashioned or …