Below are some of the most important milestones of your pregnancy. Click on any week to read more, or view our Week-by-Week Pregnancy page to see your pregnancy at-a-glance.
Week 4: Positive test: You're pregnant! You may be starting to feel bloated, crampy, tired and moody, and experiencing sore breasts, nausea/vomiting and a frequent need to pee. But don't worry if you're not—that's normal. Read more about being 4 weeks pregnant.
Week 8: Your doctor may look or listen for the baby's heartbeat with an ultrasound. Once you see or hear it, your miscarriage risk drops to about 2 percent. He'll also give you an official due date—though very few women actually deliver on that day. Read more about being 8 weeks pregnant.
Week 10: Your inch-long baby is now called a fetus. While the icky side effects of pregnancy may be starting to abate, your anxiety about having a healthy baby might be increasing. Read more about being 10 weeks pregnant.
Week 15: The "window of opportunity" for many important screening and diagnostic tests opens this week, should you decide to undergo them. Read more about being 15 weeks pregnant.
Week 16: Sometime between 16 and 22 weeks, you'll start to feel your baby move. Read more about being 16 weeks pregnant.
Week 29: The basketball-sized lump in your belly may be inhibiting shoe tying, leg shaving and the like. The fetus is increasingly sensitive to light and sound. Read more about being 29 weeks pregnant.
Week 36: The baby may drop lower into your pelvis in preparation for delivery. This should make it easier to breathe—yet your pee breaks will become ever more frequent. Read more about being 36 weeks pregnant.
Click here to read more about every week of pregnancy on our Week-by-Week Pregnancy page.