| 单词 | First Pregnancy Trimester |
| 释义 | First Pregnancy Trimester《英文msh词典》First Pregnancy Trimester [入口词] First Pregnancy Trimester [主题词] Pregnancy Trimester,First [英文释义] Period of pregnancy from the first day of the last normal menstrual period through the completion of 14 weeks (98 days) of gestation. |
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