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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
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
7. Corrections officer
China’s handling of its state reserves of raw materials such as cotton and sugar will be a key factor shaping the direction of agricultural commodities in 2017, according to a major lender to agribusinesses.
A major disruption still could push oil higher, but potential oversupply makes even that less likely. Emerging-market demand once kept supply so tight that any disruptions led to striking price moves, said Ole Hansen, head of commodity strategy at Saxo Bank.
Do you often feel gloomy and down in the dumps?
At least two Harvard professors, however, questioned the decision to withdraw the offers. Alan Dershowitz, an emeritus professor at Harvard Law School, told the Guardian that losing admission to Harvard was a "draconian punishment" for "very bad taste jokes that students were sending to each other".
Amniotic sac and yolk sac
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. 在推特今年转推量最高的10大推文榜中，有3条美国前总统贝拉克·奥巴马的推文，而该国现任总统唐纳德·特朗普的推文却无一上榜。 [Accessed May 2019]
FDA. 2014. Home Use Tests: Pregnancy. U.S. Food and Drug Administration. 华尔街、大街上和华盛顿的每一个人都在不断地忘记市场周期的基本原理。请记住：《笑傲股市》(How to Make Money in Stocks)作者、《投资者商务日报》(Investors Business Daily)的比尔?奥尼尔(Bill O'Neill)说，市场的上行周期平均为3.75年，下行周期平均为九个月。 [Accessed May 2019]
March of Dimes. 2015. Prescription drugs, over-the-counter drugs, supplements and herbal products. McGowan has also hit out at Meryl Streep, saying that it is 'literally impossible' the actress knew nothing of Weinstein's sexual proclivities until last autumn. [Accessed May 2019]
Mayo Clinic. 2015. Prenatal vitamins: Why they matter, how to choose. GMAT平均分：700分 [Accessed May 2019]
MedlinePlus (ADAM). 2015. Fetal development. 盘点：2017卫浴行业八大“瓶颈” [Accessed May 2019]