first trimester

1. Patrick O 'Brien, of the Royal College of Obstetricians and Gynaecologists, said:' Women should be careful about the amount of alcohol they consume when pregnant, especially in the first trimester.
   英国皇家妇产科学院的说：怀孕期间的女性应该尤为小心自己饮酒的量，尤其是在怀孕的前期则更要注意。
2. Mothers completed questionnaires within a few months after delivery regarding alcohol use during the first trimester.
   这些孩子的妈妈们在产后几个月内完成了有关“怀孕最初三个月是否有过饮酒经历”的调查问卷。
3. The 30-second clip strings together 3-D models of the developing face based on scans taken in the first trimester.
   30秒长度的影片串联起不同发育阶段的3D人脸模型，这些都是根据孕期前3个月扫描影像编辑设计的。
4. After the first trimester, your morning sickness will disappear!
   过了头三个月，你晨吐症状就会消失！
5. By the end of this week, you'll have reached the end of the first trimester.
   到这周结束的时候，你也撑到了怀孕前期的末尾。
6. Objective To evaluate the value of ultrasonic monitoring in induced abortion during the first trimester.
   目的评估超声监测在早孕电吸人工流产手术中的应用价值。
7. Potential Roles of the Endometrial Glands in Human Placental Development During the First Trimester of Pregnancy
   合胞体性子宫内膜炎子宫内膜腺体对妊娠早期胎盘发育的潜在作用
8. You should inform women of childbearing age of the increased risk for oral clefts when topiramate is used in the first trimester of pregnancy.
   您需要告知育龄女性如果在怀孕的第一孕期使用托吡酯，会增加婴儿发生唇腭裂的风险。
9. Effect of different cytokines on the expression of invasion-associated genes in the first trimester trophoblasts
   细胞因子对早孕滋养层细胞侵袭性相关基因表达的调节
10. Correlation analysis of fetal crown-lump length ( CRL) and nuchal translucency ( NT) in the first trimester in Kunming region
    昆明地区11～13~（+6）周胎儿头臀长与颈项透明层厚度等的相关性分析
11. Towards the end of the first trimester, your fetus is so large that filled the entire uterus, if you gently touching the upper edge of your pubic bone, you will touch the uterus.
    孕早期快结束了，你的胎儿大得充满了整个子宫，如果你轻轻用手触摸你的耻骨上缘，你会摸到子宫。
12. Not in your first trimester!
    不要头个学期就这样！
13. In my first trimester, some days, to my amazement, I'd poop out10 minutes into the show& before the detectives even identified the body.
    在我开始锻炼前的头三个月，已经有些日子，我惊讶了10分钟，直到确定我已经怀孕了。
14. Prevalence rate and related risk factors of anxiety and depression of pregnant women after termination in first trimester gestation
    早孕终止妊娠妇女焦虑抑郁情绪现患率和相关危险因素分析
15. Expression of the killer cell immunoglobulin-like receptor in deciduas of unexplained first trimester spontaneous abortion
    不明原因早期复发性自然流产患者蜕膜组织中杀伤细胞免疫球蛋白样受体2DL1的表达
16. Conclusion Ultrasound screening in the first trimester can effectively detect the abnormal fetuses in some degree, but the second trimester screening is still necessary.
    结论孕早期超声筛查能早期检出部分严重、早发的胎儿异常，但不能替代孕中期超声筛查。
17. The gestation reaction is a Physiological reaction that will be appeared among many pregnant women in the first trimester of pregnancy.
    根据孕妇孕早期的营养需求及孕早期生理特点设计出一种减轻妊娠反应的孕妇奶粉。
18. Meta-analysis of screening for chromosomal abnormalities using elevated nuchal translucency in first trimester
    孕早期胎儿颈项透明层增厚对染色体异常产前筛查价值的Meta分析
19. GACVS discussed recommendations for the use of inactivated influenza vaccine in women during pregnancy and particularly during the first trimester.
    GACVS讨论了关于在妊娠期（尤其是妊娠初期3个月内）妇女中使用灭活流感疫苗的建议。
20. Radiation: If the pregnant woman is exposed under radiation in the first trimester of pregnancy, the embryo has a chance to suffer harelip.
    放射线：妊娠早期如果接触放射线，则有可能导致胎儿唇裂腭裂。
21. Some women experience morning sickness during the first trimester of pregnancy.
    有些妇女在怀孕的头三个月里，早上有恶心感。
22. Effect of TFCC on Proliferation of the First Trimester Human Cytotrophoblast and Its Possible Signal Transduction Pathway
    菟丝子总黄酮对早孕期人细胞滋养细胞增殖能力的影响及其信号机制
23. Pregnant women should not fold forward after the first trimester.
    孕妇在怀孕三个月后不要前屈。
24. Fetal fibronectin as a predictor for a successful induction of labour at term Potential Roles of the Endometrial Glands in Human Placental Development During the First Trimester of Pregnancy
    胎儿纤连蛋白在足月妊娠引产中的预测价值子宫内膜腺体对妊娠早期胎盘发育的潜在作用
25. Objective To investigate the effects of preeclampsia serum on activity and invasive ability of cultured cytotrophoblasts of first trimester of pregnancy.
    目的探讨子癎前期患者血清对人早孕细胞滋养细胞活力和浸润功能的影响。
26. Clinical analysis of 23 cases of artificial abortion for first trimester of pregnancy in the deformed uterus
    畸形子宫早期妊娠人工流产术23例临床分析
27. Regulation of MMP-2/ TIMP-2 Expression by Leptin in the First Trimester Cytotrophoblastic Cells
    瘦素对妊娠早期绒毛滋养细胞MMP-2/TIMP-2表达的调控作用
28. Objective: To assess the clinical value of B mode ultrasound in complete curettage of incomplete abortion and induced abortion of first trimester women with uterus anomaly.
    目的：评价在B超实时监控下指导子宫畸形早孕期人工流产术（简称：人流术）及不全流产清宫术中的临床应用价值。

noun

1. time period extending from the first day of the last menstrual period through 12 weeks of gestation