HTTP/1.1 200 OK Cache-Control: no-cache, private Content-Type: text/html; charset=UTF-8 Date: Mon, 30 Nov 2020 23:07:11 GMT 69XX

4
weeks
pregnant

3 5
lightbulb icon

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

Temperatures had already risen by 0.8C since the industrial revolution and although last year’s 1C rise may not be repeated every year from now on, scientists said 2016 could turn out to be another exceptionally warm year as the El event continues.
在赛场上,绰号Baby的天才逃亡车手(安塞尔?埃尔格特饰)依靠专属的音乐节奏开车而独占鳌头。与梦中女神(莉莉?詹姆斯饰)邂逅之后,Baby看到了希望,想与以往不堪的生活断个干干净净。Baby被迫为黑社会老大(凯文?史派西饰)干活,在派给他的最后一单中,危机一触即发。面前是巨大的挑战,对他的生活、爱人和自由来说,形势都岌岌可危……

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

Fetus icon

Baby development at 4 weeks

Your little embryo

12月份以美元计的进口同比增长3.1%至1686亿美元,而上个月修正后的增幅为4.7%(修正前为6.7%)。这一增长幅度大致符合3%预期中数。
Ann Hand
中国国家统计局工业司何平在随后发布的数据解读声明中称,尽管石油和其他投入价格下跌支撑了利润率,但出厂价格的下跌抵消了这些利好影响。
Back in the movie wasteland of last January, no one could have guessed what a bounty of good films the year would bring. Not just good films, but several that measure up to our idealized notions of what the medium once was. Two candidates for the top of the heap pretty much chose themselves. For sheer entertainment, the clear call is 'American Hustle,' David O. Russell's joyous celebration of 1970s-era con artists and their intricate cons. For innovation-a new theatrical experience born of new technology-'Gravity' whirls in its own orbit. With the understanding that there's nothing to be said against 'American Hustle,' and everything to recommend this screwball comedy for the ages, I think 'Gravity' is the best movie of the year.

embryo made up of hypoblast and epiblast
Your baby at 4 weeks Tap the plus for more details
advertisement | page continues below
calendar icon

Your baby is about the size of a poppy seed

poppy seed

Primitive placenta

哈佛大学发言人瑞秋?戴恩拒绝对该新闻发表评论。她在邮件中写道:“我们对于个别申请人的录取情况不予置评”。
多措并举降成本。
自1983年以来,每年的央视春晚就成为了中国人民春节必不可少的重要组成部分,也难怪主办方的每个举动都能成为关注的焦点。

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

Amniotic sac and yolk sac

戴假牙的角色
近几年,得益于世界日新月异,就像保护异性夫妻一样, LGBT群体(女同性恋、男同性恋、双性恋、跨性别人士)也会得到同样的权利保障。事实上,如今60%的美国人承认同性婚姻的合法性,如果你问那剩余的40%呢?我们可以告诉你美国的其他地方以及世界的其他地方,例如俄罗斯,很快都会赶上脚步。

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.

空置房可供2.2亿人住:去库存政策迎窗口期

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.

钱不够办消费贷充首付 购房者怕违规退定遭拒

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. 2018年,中国电影票房收入增长9%,达到89亿美元(约合609.8亿人民币)。 [Accessed May 2019]

FDA. 2014. Home Use Tests: Pregnancy. U.S. Food and Drug Administration. “他们说:‘我会奇怪她为什么在会议的时候低着头;我好奇她为什么不再兴奋地接过这个案子;我也会想她为什么一周有两天很早地离开,”凯说,“你在他们的脑海里引发了这些问题。” [Accessed May 2019]

March of Dimes. 2015. Prescription drugs, over-the-counter drugs, supplements and herbal products. 9月28日 [Accessed May 2019]

Mayo Clinic. 2015. Prenatal vitamins: Why they matter, how to choose. 在上月销量最高的SUV和MPV制造商中,大家所熟悉的长城汽车和上汽通用五菱汽车成功卫冕。在轿车和掀背车型上,上汽大众也保持其冠军地位。 [Accessed May 2019]

MedlinePlus (ADAM). 2015. Fetal development. 戴德梁行:武汉商品住宅库存告急 白菜地拍出肉价 [Accessed May 2019]

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

How many positive pregnancy tests did you need before you believed the news?

One
Two
Three or more
Other
advertisement
advertisement
Log in to continue

baby growth animation
Get the BabyCenter app
The #1 app for tracking pregnancy and baby growth.
Download now