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Pronunciation: pre-men'stru-um

Definition: The few days preceding menstruation.

[pre- + L. menstruum, ntr. of menstruus, monthly, pertaining to menstruation]

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.