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。

I love sleep and I love my bed, but both deserted me in the third trimester.

我喜欢睡觉，我爱我的床，但在后期的时候他们都遗弃了我。

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。

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。

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。

Congratulations! By the end of this week you'll have reached the end of the first trimester.

恭喜哦！到这周结束的时候，你也撑到了怀孕前期的末尾。

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。

Congratulations! By the end of this week, you'll have reached the end of the first trimester.

恭喜哦！到这周结束的时候，你也撑到了怀孕前期的末尾。

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。

It had been a first-trimester miscarriage, so medically and societally, it was almost a nonevent.

我是在怀孕三个月时流产的，所以无论从医学上还是社会上来看，这都算不上是一件大事。

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。

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。

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。

As you reach the end of the second trimester that little peanut in your belly is beefing up big time.

当你到了怀孕中期的最后时刻，你肚子里的小不点到了生长的重要时刻。

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。

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。

As you reach the end of the second trimester, that little peanut in your belly is beefing up big time.

当你到了怀孕中期的最后时刻，你肚子里的小不点到了生长的重要时刻。

Otherwise, you may want to wait until after the first trimester, when the risk of miscarriage declines.

其他情况下，你可以等到第一阶段的妊娠期结束再讲，那时流产的风险会小很多。

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。

If your doctor didn't recommend a CVS test in your first trimester you'll need to consider prenatal testing now.

如果医生没有在你怀孕前期建议你做绒毛膜绒毛样检的话，你现在需要考虑下做个产前检查了。

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。

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。