查询词典 trimester

Screening methods currently used for Down vary in sensitivity, which is 30% for maternal age alone, 60% to 70% for maternal age plus maternal blood-testing in the second trimester, 75% for maternal age plus first-trimester fetal nuchal translucency scanning, and 85% for maternal age plus fetal nuchal translucency plus maternal-blood analysis at 11 to 14 weeks.

最近用於预测唐氏症的筛检方法在敏感度方面变化很大，仅考虑母亲的年龄，敏感度为30%；考虑母亲的年龄以及母亲在怀孕四至六个月的血液检查，敏感度为60%-70%；考虑母亲的年龄以及胎儿前三个月的颈背透明度扫描，敏感度为75%；考虑母亲的年龄、胎儿颈背透明度以及怀孕11至14周母亲的血液检测，敏感度为85%。

This trimester will be my last trimester in this college.

这个学期将是我在这所大学的最后一学期了。

Methods Eight bigeminal pregnant ewes in latter 2nd-trimester and 3rd-trimester were taken into the research of fetal cardiac intervention. Under continuous ultrasound guidance, advanced an cannula and stylet needle through the maternal abdomen, uterine wall, and fetal lamb chest wall and into the fetal LV, then imitate human balloon aortic valvuloplasty at valve ring level.

以8只中后期双胎妊娠黑山羊为研究对象，在超声引导下经皮/子宫穿刺胎羊左心室，并在主动脉瓣水平模拟人类主动脉瓣球囊扩张术，从而建立胎儿宫内心脏介入手术动物模型，从动物准备、术中胎羊体位、穿刺部位选择、介入技术要领、超声使用、胎羊保温、胎盘脐带保护等方面进行探讨总结。

It is emphasized that bimanual examination in the first trimester, ultrasonography after the first trimester, exploration of ovary during cesarean section or operation and postpartum examination should be performed in the diagnosis of the d...

临床资料我院自1980年1月至1988年12月间共收治孕产妇25255例，发现卵巢肿瘤并均经手术及病理检查证实的有5

Results The expression of ADAM19 are mainly in the cell membrane, plasma and column of cytotrophoblast; The expression of ADAM19 is mainly located on cytotrophoblast during first trimester of pregnancy, and on syncytiotrophoblast in second and third trimester.

结果ADAM19的表达主要集中在滋养细胞的细胞膜、细胞质中和细胞滋养层柱细胞中；早孕绒毛中，ADAM19表达主要集中于细胞滋养细胞膜，在晚孕期胎盘，ADAM19主要表达于合体滋养细胞膜。

Fifteen 1st trimester placental specimens between 9 and 12 weeks" gestation and twenty 3rd trimester placentae between 38 and 40 weeks" gestation were collected following termination of pregnancy.

方法选择正常妊娠6-12周的孕妇15例和妊娠38-40周的孕妇20例，采用实时定量逆转录-聚合酶链反应技术(Real Time RT-PCR)检测绒毛和胎盘组织中三种基因的mRNA。

Objective: To determine the prevention, early diagnosis and aggressive treatment of placental abruption in third trimester.

目的：提高对妊娠晚期胎盘早剥的预防、早期诊断及积极治疗。

ABSTRACT］ Objective: To determine the prevention, early diagnosis and aggressive treatment of placental abruption in third trimester.

目的：提高对妊娠晚期胎盘早剥的预防、早期诊断及积极治疗。

Methods In this study 2 363 gravidas in mid trimester of pregnancy were included,subjected to MAP measure and followed up to accouchement.

对2 363例中期妊娠孕妇抽取血标本测定血β-HCG、AFP及UE3值，同时测量MAP，并随访至分娩，观察上述指标与妊高征的关系。

Objective To identify differential genes between choriocarcinoma and the first trimester villi tissue in human.

目的 寻找人绒毛膜上皮癌与孕早期绒毛组织间的差异基因。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。