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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
节目18 杂技《冰与火》，赵丽 张权
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
The average monthly salaries for grads in law, engineering and medical majors are 5,545, 4,512 and 4,500 yuan respectively, slightly down from last year, while graduates with educational and agricultural majors are offered lower pay, at 3,258 and 3,184 yuan respectively.
Meanwhile, WeChat offers perhaps the greatest potential yet for Tencent to gain overseas users. Forrester analyst Bryan Wang said he has seen colleagues and friends in Singapore and India begin to appear on his WeChat contact list.
The Canadian city of Vancouver remains the most expensive location in North America, ranked 21st in the index.
Amniotic sac and yolk sac
However, its alumni are the most mobile internationally, with 85 per cent of the class of 2014 having worked abroad.
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. 交通运输部新闻发言人徐成光通报称，未发现更多生命迹象，搜寻到生还者的希望"非常渺茫"。 [Accessed May 2019]
FDA. 2014. Home Use Tests: Pregnancy. U.S. Food and Drug Administration. 当小李子上台领取奖杯时，制片人哈维·韦恩斯坦兴奋地拍拍他的背，全场观众起立为他喝彩。 [Accessed May 2019]
March of Dimes. 2015. Prescription drugs, over-the-counter drugs, supplements and herbal products. 如果你已经为人父母，我能够理解，这是不太可能的。你会将孩子放在更重要的位置。但是，如果你没有在课堂上展示自己，那么你也就没有做到我们在第一点里讨论的内容。 [Accessed May 2019]
Mayo Clinic. 2015. Prenatal vitamins: Why they matter, how to choose. 10.Shakira [Accessed May 2019]
MedlinePlus (ADAM). 2015. Fetal development. 中山小榄LED总产值破百亿 首获“国字号”荣誉 [Accessed May 2019]