| 释义 |
first trimester
Thesaurus| Noun | 1. | first trimester - time period extending from the first day of the last menstrual period through 12 weeks of gestationtrimester - a period of three months; especially one of the three three-month periods into which human pregnancy is divided |
first trimester
Related to first trimester: second trimester, first trimester pregnancyWords related to first trimesternoun time period extending from the first day of the last menstrual period through 12 weeks of gestationRelated Words |