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menstrual phase


Definition: the first day of menstruation indicates the beginning of the endometrial menstrual cycle; the phase lasts 4–5 days and coincides with the bleeding and shedding of degenerated endometrium from the previous menstrual cycle.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.