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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
Its alumni enjoyed by far the greatest financial rewards, with an average salary of $469,000 three years after graduation.
位于加州的斯坦福大学商学院(Stanford Graduate School of Business)排名第二，2016年排在第五位，该学院曾在2014年获得亚军。宾夕法尼亚大学沃顿商学院(Wharton School of the University of Pennsylvania)排名第三。
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
Your little embryo
n. 沼地，极多，回转 n. 大量，许多 v. 使转，扭
Regardless of whether or not you think Snapchat is worth the $3 billion Facebook offered it, one thing is clear: There's an appetite out there for so-called ephemeral networks, where content literally vanishes seconds after being received. And, contrary to popular perception, this isn't just about sexting and X-rated selfies (though it definitely is about that, too). As content on the major networks becomes more corporate and commoditized, Snapchat and services like it restore some of the fun and spontaneity to social media. Just like a real-life interaction -- where ideas flow freely and you generally don't worry about everything being recorded for posterity and broadcast to the world -- SnapChat and networks like it offer a channel for genuine, unfiltered exchange. And the kids really like it. While Facebook's own CFO officially acknowledged last month that teen use of his network is declining, the number of teens on SnapChat -- at least anecdotally -- is exploding.
Mr Talbot notes that regulators in Japan are encouraging fee-based sales with a new fiduciary code and other measures that will play to the low-cost appeal of ETFs.
Amniotic sac and yolk sac
Some hits have gone so far over the top they should be winded, yet instead keep on puffing gusts of hot air, including “Downton Abbey,” “Scandal” and “Revenge.” A new addition on ABC, “How to Get Away With Murder” was a fun substitute, a lurid nighttime soap opera about lawbreaking defense lawyers — “Law & Disorder.”
See what fraternal twins look like in the womb this week.
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.
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.
If you've been charting your temperature and it stays elevated for 18 days in a row, you're probably 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.
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.
ACOG. 2015. FAQ156. Prenatal development: How your baby grows during pregnancy. American College of Obstetricians and Gynecologists. In contrast, the nation witnessed a tumbling trend for minivans, whose volume totaled 71,300 units, a 31 percent drop year-on-year. [Accessed May 2019]
FDA. 2014. Home Use Tests: Pregnancy. U.S. Food and Drug Administration. Since then, China has been issuing stamps on the theme of the lunar calendar every year to mark the 12 Chinese astrological signs. [Accessed May 2019]
March of Dimes. 2015. Prescription drugs, over-the-counter drugs, supplements and herbal products. 在全球最具价值品牌百强榜上，有15个中国品牌上榜，比去年多一个，较10年前大有增加，当时中国移动(China Mobile)是唯一上榜的中国品牌。 [Accessed May 2019]
Mayo Clinic. 2015. Prenatal vitamins: Why they matter, how to choose. The top SUV maker and MPV maker last month are familiar to all: Great Wall Motor and SAIC General Motor Wuling stayed on their segment thrones. SAIC Volkswagen also maintained its crown in the sedans and hatchbacks segment. [Accessed May 2019]
MedlinePlus (ADAM). 2015. Fetal development. 远离恶性竞争 门窗企业还需回归产品 [Accessed May 2019]