premenstruumn.
/priːˈmɛnstrʊəm/, U.S. /priˈmɛnstr(əw)əm/, /priˈmɛnztr(əw)əm/ Medicine.
The stage of the menstrual cycle which precedes menstruation; the late luteal phase of the menstrual cycle.
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the world > life > biology > biological processes > procreation or reproduction > reproductive cycle > [noun] > menstrual cycle
safe period1900
postmenstruum1910
premenstruum1910
mid-cycle1952
unsafe period1961
paramenstruum1966
rhythm1974
1910 Trans. N.Y. Obstetr. Soc. 1909–11 229 In the third stage called by them [sc. Hitschmann and Adler] the premenstruum, the mucous membrane which is now thick and velvety, can be divided into a superficial, compact, and deeper, spongy layer.
1938 Jrnl. Amer. Med. Assoc. 21 May 1722/1 During the premenstruum, the concentration of estrogen in the blood rises and affects the sympathetic nervous system.
1969 Sunday Times 14 Sept. 54/3 Crimes of violence by women, most often involving their own families, are more often committed during the premenstruum.
1999 C. S. Pomerleau in D. F. Seidman & L. S. Covey Helping Hard-core Smoker iv. 76 The mild increase in discomfort occurring during the premenstruum..is magnified by nicotine withdrawal.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1910