Skip to Content

trimester

Pronunciation: tri'mes-ter, tri-mes'ter

Definition: A period of 3 months; one third of the length of a pregnancy.

[L. trimestris, of 3-months' duration]

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.

Hide