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。
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。
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。
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。
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。
About 35 percent of the women arrived in the first trimester, when microcephaly is most likely to develop, he said.
其中大约有35%的孕妇是在妊娠头三个月住进医院，那是最有可能出现小头畸形症的阶段，他说。
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。
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。
So he and colleagues measured the feet of 49 women during their first trimester and again five months after childbirth.
于是他和同事测量了49位处于妊娠初期的女性的脚的尺寸，分娩后五个月再进行一次测量。
Many women have breakouts in the first trimester because of changing estrogen levels, even if they've always had clear skin.
即使皮肤一向光洁，很多女性在怀孕的前三个月因为雌激素水平变化而爆发痘痘。
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。
However, the Court has always maintained that at least in the first trimester a woman has a right to choose whether or not to continue a pregnancy.
但最高法院总是坚持至少在妊娠的前三个月妇女有权选择要不要继续怀孕。
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。
Objective To investigate the status of iodine nutritional status and thyroid function in the first trimester gestation after universal salt iodization.
目的探讨全民食盐加碘后孕妇妊娠早期甲状腺功能及碘营养状况。
Her communication skills have also taken a plunge: "Especially in my first trimester, I had a very difficult time speaking coherently and writing clearly," she says.
她的沟通能力也受到了影响：“尤其是头三个月，我很难有条理地说清楚一件事或者写东西。”
Now that you've reached the middle of your first trimester, you're probably deciding whether or not to break the news to family and friends( if you haven't already).
因为你已经怀孕到了前三个月的中期，你可能在考虑是否把这个消息告诉家人和朋友（如果你还没有向他们公布）。
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。
Normal-weight expectant moms who drank sugar-sweetened beverages in the first trimester were at a higher risk of having large babies than the women who didn't consume much of them.
正常体重的妊娠期妇女在妊娠前三个月饮用含糖饮料比不饮用者生育超重婴儿的风险更高。
Also, research shows that going through a traumatic event, such as a natural disaster, during the first trimester also raises the risk of premature delivery or low birth weight.
此外，研究发现，在孕早期经历了自然灾害等创伤性事件的孕妇早产或新生儿体重偏低的风险也会加大。
They suggest that prescribing sulfonamides or nitrofurantoins in the first trimester is still considered appropriate when no other suitable alternative antibiotics are available.
他们建议在第一孕期时，磺胺类药物或呋喃妥因在没有其他合适的可替代药物的情况下使用仍被认为是适当的。
AIM: To prepare highly purified human trophoblast cells from human placentae at the first trimester of normal pregnancy for further study on the function of human placentae villi.
目的：培养纯度较高的人绒毛膜滋养层细胞，为胎盘绒毛在妊娠期间的作用及其机制研究提供细胞学基础。
Randomized controlled trials comparing methods of pain control in first trimester surgical abortion at less than 14 weeks gestational age using electric or manual suction aspiration.
在第一孕期小于14周使用电动或手动真空抽吸实施的人工流产，以随机对照性的临床试验比较疼痛控制的方法。
Instances where PTU is recommended over MMI include the initiation of therapy in the first trimester of pregnancy or in the setting of life-threatening thyrotoxicosis or thyroid storm.
大量的例证表明PTU比MMI更多的推荐用于作为妊娠头三个月的初始治疗或危及生命的甲状腺毒症或甲亢危象的治疗。
First trimester bleeding may signal a possible miscarriage or ectopic pregnancy.
早期出血可能是流产或宫外孕的迹象。
Second-trimester sonographic soft markers: what can we learn from the experience of first-trimester nuchal translucency screening?
妊娠中期超声检查的软性标记物：我们能从早期妊娠胎儿颈项透明层厚度筛查经验中学到什么?。
Despite the paucity of data -related to the use of influenza vaccines during the first -trimester of pregnancy, other inactivated vaccines (e.g. -tetanus) have proved safe in this context.
虽然目前关于在妊娠初期3个月内使用流感疫苗的资料还很少，但有其他灭活疫苗(如破伤风疫苗)已被证明在此期间可以安全使用。
Despite the paucity of data -related to the use of influenza vaccines during the first -trimester of pregnancy, other inactivated vaccines (e.g. -tetanus) have proved safe in this context.
虽然目前关于在妊娠初期3个月内使用流感疫苗的资料还很少，但有其他灭活疫苗(如破伤风疫苗)已被证明在此期间可以安全使用。
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