First Trimester
nounverified·updated May 18, 2026
time period extending from the first day of the last menstrual period through 12 weeks of gestation
Framework senses
- §1
- time period extending from the first day of the last menstrual period through 12 weeks of gestation
- §1 · legacy_primary
- time period extending from the first day of the last menstrual period through 12 weeks of gestationDR-088 backfill from the noun definition column