Absent or shortened nasal bone length and the detection of down syndrome in second-trimester fetuses.
缺失或缩短的鼻骨长度和中期妊娠胎儿患唐氏综合症的检测。
ObjectiveTo evaluate the efficiency of heparin on the ratio of peak systolic to least diastolic flow velocity (S/D) of umbilical artery flow velocity waveforms at second-trimester pregnancies.
目的评价肝素对改善妊娠中晚期脐动脉收缩期最大血流速度（S）与舒张末期血流速度（D）的比值异常的临床效果。
These severe leg cramps usually pop up in the second trimester and continue through the third.
这种严重的腿部肌肉抽筋现象通常出现在怀孕中期，并持续整个怀孕后期。
Even if you weren't ill the past few months the second trimester signals an end to your baby's most vulnerable development period allowing you a bit more freedom.
即使你在过去的几个月中没有不舒服，怀孕中期也标志着你的婴儿已经度过了最容易受伤害的时期，这会给你更多的自由空间。
Even if you weren't ill the past few months, the second trimester signals an end to your baby's most vulnerable development period, allowing you a bit more freedom.
即使你在过去的几个月中没有不舒服，怀孕中期也标志着你的婴儿已经度过了最容易受伤害的时期，这会给你更多的自由空间。
Almost 90 percent of women experience some form of skin darkening beginning in the second trimester.
几乎90%的女性在怀孕中期都会经历一些形式的皮肤变暗。
When people say pregnant women glow they're probably talking about those in their second trimester.
当人们说怀孕的女性容光焕发，他们极可能谈论的就是那些处在怀孕中期的人。
When people say pregnant women glow, they're probably talking about those in their second trimester.
当人们说怀孕的女性容光焕发，他们极可能谈论的就是那些处在怀孕中期的人。
The second trimester is coming to an end and your body is gearing up for the prenatal homestretch.
怀孕中期马上就要结束了，你的身体正在做产前的最后准备。
you laugh now, but just wait, I had never heard this could happen, so I bought the perfect pair of molded-to-my-feet ski boots on sale in my second trimester. D’oh!
你可能会笑，但是最好还是等等吧，我从未听说这会发生，所以在怀孕中期我买了一个刚合脚的廉价出售的滑雪靴。
After a period of proliferation during the second trimester, neurons are also "pruned," meaning that they undergo a planned cell death.
在增殖期过后第二个三个月里，神经元也被“削减”，这意味着它们经历了一个有计划的细胞死亡过程。
Some couples like to wait until the second trimester, when the risk of miscarriage is greatly reduced.
一些夫妇喜欢等到妊娠中期再公布消息，这个时候流产的风险已经大大的减少了。
However, hurricane exposure during the second trimester provoked a 20% rise in fetal distress at birth.
然而，根据研究，妊娠中期经受飓风的胎儿在出生时患胎儿窒息的风险增加了20%。
My doctor gave me the go-ahead to hit the slopes in my second trimester as long as I stayed below 10 000 feet.
在我怀第二胎的时候，只要我保持在10,000英尺之下，我的医生准许我去滑雪。
My doctor gave me the go-ahead to hit the slopes in my second trimester as long as I stayed below 10, 000 feet.
在我怀第二胎的时候，只要我保持在10，000英尺之下，我的医生准许我去滑雪。
During the second trimester of pregnancy, you will gain around 1 to 2 pounds per week.
在怀孕第二阶段，每周你会重个1到2磅。
It is worth noting the researchers found a significant difference when women had used painkillers for two weeks or more and that the impact was greatest when taking them during their second trimester.
值得注意的是研究人员发现当怀孕妇女使用止痛剂超过2周会有重大差异出现，而在怀孕的第4 - 6个月使用止痛剂造成的冲击最大。
The use of any painkiller during the second trimester more than doubled the risk of the condition in a boy baby.
在这段时间使用任何一种止痛药将使得宝宝的风险增加1倍。
The effect in the second trimester of pregnancy was most marked.
在怀孕的第4-6个月时影响最为显著。
Welcome to the second trimester.
欢迎来到怀孕中期。
Conclusion: it's effective to decrease the birth of fetal chromosomal abnormality by undergoing prenatal screening and diagnose with mother serum biochemical indicator in the second trimester.
结论孕中期应用母血清生化指标进行产前筛查，结合产前诊断是减少染色体异常患儿出生的有效方法。
E. Second trimester education. Discomforts include backache, round ligament pain, constipation, and indigestion.
中孕教育。不适感包括背痛，圆韧带疼痛，便秘及消化不良。
Objective:To investigate the consistency between two maternal serum screening for Down′s syndrome in the second trimester pregnancy.
目的调查两种孕中期唐氏综合征产前筛查方法的一致性。
My doctor gave me the go-ahead to hit the slopes in my second trimester as long as I stayed below 10,000 feet.
在我怀第二胎的时候，只要我保持在10,000英尺之下，我的医生准许我去滑雪。
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。
In particular, we would recommend starting effective antiretroviral therapy no later than beginning of the second trimester.
特别地，我们会推荐在第二个三个月开始之前开展有效的抗逆转录病毒疗法。
Objective To investigate the therapeutic value of multifetal pregnancy reduction in the second trimester.
目的探讨孕中期选择性减胎术在多胎妊娠中的治疗价值。
Objective to detect pregnant women's blood of superior thyroid artery in the second trimester of pregnancy through color ultrasound, to evaluate fetus skeleton development in uterus.
目的经彩超检测妊娠中期孕妇甲状腺上动脉血流，用于评估宫内胎儿骨骼发育。
Objective to detect pregnant women's blood of superior thyroid artery in the second trimester of pregnancy through color ultrasound, to evaluate fetus skeleton development in uterus.
目的经彩超检测妊娠中期孕妇甲状腺上动脉血流，用于评估宫内胎儿骨骼发育。
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