At the end of the first trimester, the fetus is about three inches long.
在怀孕的第三个月末，胎儿差不多有三英寸长了。
Especially during the final trimester.
特别是在怀孕终期。
See your eye doctor within the first trimester of pregnancy.
在怀孕的前三个月要去看眼科医生。
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。
Members can choose to study either one or two subjects per trimester.
会员可以选择每一个学期学习一门或两门课程。
As you enter the third trimester, you’ve probably gained at least 15 to 20 pounds.
当你进入怀孕后期时，你可能已经增重了15--20磅。
Now that you’ve reached the end of the first trimester it’s fairly safe to spread the news.
既然你已经到了怀孕前期的末期，现在公布消息就相当安全了。
The first trimester is an important time in your pregnancy, especially in terms of nutrition.
妊娠初期，尤其是在营养方面，对孕妇来说是非常重要的。
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。
Your body needs 300-500 extra calories a day when you're pregnant even less in the first trimester.
当你怀孕的时候，身体每天额外需要300——500卡路里的热量，在怀孕前期可能更少。
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。
Your body needs 300-500 extra calories a day when you're pregnant, even less in the first trimester.
当你怀孕的时候，身体每天额外需要300——500卡路里的热量，在怀孕前期可能更少。
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。
Even during the earliest part of your pregnancy, the first trimester, you will be gaining some weight.
甚至在怀孕的最初时期，即妊娠早期，孕妇也会增加一些体重。
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。
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%。
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。
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。
All women in their first trimester should have an ultrasound to make sure they do not have an ectopic pregnancy.
所有在妊娠头3个月的女性都应该做超声波检查以确保没有发生异位妊娠。
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。
Weight gain during the second and third trimesters of pregnancy is going to be more steady after the first trimester.
在怀孕的第二第三阶段，体重增加相对最初阶段变得稳定。
Since the first trimester is such a vulnerable period for the embryo many doctors also advise against coloring your hair during that time.
因为前三个月胚胎很容易受到伤害，许多医生都建议你在那段时间里不要染头发。
If you are worried that you are experiencing too much or not enough first trimester weight gain, you should contact your health care provider.
如果你担心在妊娠初期你的体重增加太多或不够，你应该联系你的医生寻求帮助。
Progesterone is usually the culprit in the first trimester relaxing smooth muscle tissue throughout your body including the gastrointestinal tract.
怀孕前期，黄体酮通常是罪魁祸首，它松弛全身的肌肉组织，包括胃肠道里的。
Progesterone is usually the culprit in the first trimester, relaxing smooth muscle tissue throughout your body, including the gastrointestinal tract.
怀孕前期，黄体酮通常是罪魁祸首，它松弛全身的肌肉组织，包括胃肠道里的。
It wasn't until two weeks before my due date that I finally requested the results of a first-trimester sonogram and genetics test be sent to my midwife.
直到预产期前两周我才最终要求把超音波和遗传学鉴定结果送到我的助产士那里去。
It wasn't until two weeks before my due date that I finally requested the results of a first-trimester sonogram and genetics test be sent to my midwife.
直到预产期前两周我才最终要求把超音波和遗传学鉴定结果送到我的助产士那里去。
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