menstrual age

the age of a fetus calculated from the beginning of the mother’s last menstruation. At full term, it is normally 280 days or 40 weeks—that is, usually 2 weeks longer than the gestational age.

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Psychology term of the day

January 15th 2025

hit

n. the accurate identification of a signal in a signal detection task. Compare miss.

HIT

acronym for Holtzman Inkblot Technique.