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This week highlights

It's a date!

Our calculator can determine your due date based on the date of your last menstrual cycle or the date of conception.

The embryonic stage begins

4. Am I eating healthy? The types of foods we eat can greatly affect how we feel both physically and emotionally. Eating too much junk food can lead to crankiness and a relatively low energy level, whereas eating healthy foods can lead to better moods and a more positive energy level.
QuikTrip

Consider carrier screening

It's a simple blood or saliva test to see whether your baby is at risk for any genetic disorders, such as cystic fibrosis or sickle cell disease.

36 weeks to go!

You're in your first month

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Baby development at 4 weeks

Your little embryo

200911/88512.shtmlA 1936 Nobel Peace Prize discovered at a South American pawn shop has been sold at auction in Baltimore for $1.16 million.
The banking industry has been experiencing a low profit growth period and will be for a long time, the National Business Daily reported, citing an expert. He said the banks' yearly profits growth reached 35 to 40 per cent in the past dozen years, but now the growth had slowed to less than 1 per cent, with some banks even recording a loss.
这些新数据是由一个叫做全球碳计划(Global Carbon Project)的追踪项目提交的,发表在了期刊《自然·地球科学》(Nature Geoscience)上。数据公布之际,正是联合国(United Nations)一次峰会召开前夕。此次峰会意在激发新的政治愿望来解决气候变化问题。科学家说,这些数据表明,如果要把长期的全球变暖问题控制在可以承受的范围内,还需要做出极大的努力。
“如果我们能找到在两个地方都购物的人,那就非常有价值。你知道他们是谁,他们买什么,他们哪些方面花钱,”哈勃补充说。“你可以给他们更加个人化的体验。”

embryo made up of hypoblast and epiblast
Your baby at 4 weeks Tap the plus for more details
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Your baby is about the size of a poppy seed

poppy seed

Primitive placenta

If you have been out of work for a long time, it may be time to consider taking a job you wouldn't have looked at before.
Shipments of cellphones made by Chinese companies reached 498 million in 2016, accounting for 88.9% of the country's total shipments, according to the report from the China Academy of Information and Communication Technology.
报告还指出,其中2.01亿(27%)网民来自农村地区,城市和农村地区互联网普及率差距为45.2%。

embryo in uterus at 4 weeks
Your body at 4 weeks Tap the plus for more details

Amniotic sac and yolk sac

n. 典礼,仪式,礼节,礼仪
In this emotional comedic drama, a selfish car dealer named Charlie Babbitt learns that he has a brother after his estranged father dies. He is upset to learn that said brother, Raymond, received his father's $3 million estate despite living with severe autism that has left him in a mental institution. Charlie learns that Raymond is a savant with outstanding capabilities for mental math and takes advantage of this skill by using Raymond to count cards in Vegas.

See what fraternal twins look like in the womb this week.

Pregnancy symptoms during week 4

No symptoms?

Don't worry. Many women don't feel anything yet this week. In fact, most early pregnancy symptoms don't start until about 6 weeks.

Tender, swollen breasts

Breast tenderness can be one of the earliest signs of pregnancy. It usually starts around 4 to 6 weeks and lasts through the first trimester.

Fatigue

For many women, exhaustion is one of the first signs of pregnancy. But other women hardly seem to slow down at all.

Nausea or vomiting

Morning sickness can strike at any time of day. It usually starts around 6 weeks of pregnancy but can begin as early as 4 weeks. Some women have cramping as well.

2013上半年广东省木材加工企业产品产量统计数据

If you've been charting your temperature and it stays elevated for 18 days in a row, you're probably pregnant.

Pregnancy checklist at 4 weeks pregnant

Take a pregnancy test

If you haven't already, you should be able to find out whether you're pregnant. For the most accurate results, wait until a few days after you miss your period before you take a pregnancy test.

Make a prenatal appointment

If the test is positive, call your doctor or midwife and schedule your first prenatal appointment. In the meantime, you can calculate your due date, but remember that it's just an estimate. You're just as likely to go into labor any day during the two weeks before or after.

湖北省三成工程质量安全监督机构未纳入财政保障

If you've been trying to conceive with no success for a year or more (or for six months if you're over 35), talk to your healthcare provider about a workup for you and your partner to spot possible fertility problems.

4 weeks pregnant bellies

This week's video

Show sources

ACOG. 2015. FAQ156. Prenatal development: How your baby grows during pregnancy. American College of Obstetricians and Gynecologists. It was the spring of hope, it was the winter of despair… [Accessed May 2019]

FDA. 2014. Home Use Tests: Pregnancy. U.S. Food and Drug Administration. [f?'siliteit] [Accessed May 2019]

March of Dimes. 2015. Prescription drugs, over-the-counter drugs, supplements and herbal products. But Anne Simpson, senior portfolio manager and director of global governance at the US pension fund Calpers, a prominent Apple shareholder, believes his ethical stance is more than just posturing. “He has a charming disregard for showmanship,” she says. “Tim Cook applies this Apple notion of elegance and excellence to these new arenas.” [Accessed May 2019]

Mayo Clinic. 2015. Prenatal vitamins: Why they matter, how to choose. engaged [Accessed May 2019]

MedlinePlus (ADAM). 2015. Fetal development. 国家发改委:并未考虑禁止企业境外发债 [Accessed May 2019]

Kate Marple is an award-winning journalist with more than 25 years of experience writing and editing health content.   
 
 
 
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