TRIMESTER

noun. any of the three nearly 3-month periods into which a pregnancy is broken into.

TRIMESTER: "Morning sickness usually dissipates for most women by the end of the first trimester."
Cite this page: N., Pam M.S., "TRIMESTER," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/trimester/ (accessed October 15, 2019).
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