menstrual: an endocrine cycle of 28 days in women which includes fluctuations in estrogen and progesterone, the events of enodmetrial development, follicular maturation, ovulation, changes in cervical mucus secretion, breast vascularization changes, and if pregnancy does not occur, menstruation.

Dictionary of Sexology Project: Main Index

Men"stru*al (?), a. [L. menstrualis: cf. F. menstruel. See Menstruous.]


Recurring once a month; monthly; gone through in a month; as, the menstrual revolution of the moon; pertaining to monthly changes; as, the menstrual equation of the sun's place.


Of or pertaining to the menses; as, menstrual discharges; the menstrual period.


Of or pertaining to a menstruum.



© Webster 1913.

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