Retrograde Menstruation

Some articles on retrograde menstruation, retrograde:

Endometriosis - Pathophysiology - Formation of Ectopic Endometrium - Retrograde Menstruation
... The theory of retrograde menstruation (also called the implantation theory or transplantation theory) is the most widely accepted theory for the formation of ectopic endometrium in endometriosis ... While most women may have some retrograde menstrual flow, typically their immune system is able to clear the debris and prevent implantation and growth of cells from this occurrence ... However, in some patients, endometrial tissue transplanted by retrograde menstruation may be able to implant and establish itself as endometriosis ...

Famous quotes containing the word menstruation:

    If men could menstruate ... clearly, menstruation would become an enviable, boast-worthy, masculine event: Men would brag about how long and how much.... Sanitary supplies would be federally funded and free. Of course, some men would still pay for the prestige of such commercial brands as Paul Newman Tampons, Muhammed Ali’s Rope-a-Dope Pads, John Wayne Maxi Pads, and Joe Namath Jock Shields—”For Those Light Bachelor Days.”
    Gloria Steinem (b. 1934)