Pregnancy Week-by-Week
Week-by-week pregnancy information for first, second and third trimester

Pregnancy Week by Week

Pregnancy is an adventure! Let us help you—find pregnancy week-by-week info on baby's development, pregnancy symptoms week-by-week, and weekly tasks.
Pregnancy is an adventure! Let us help you—find pregnancy week-by-week info on baby's development, pregnancy symptoms week-by-week, and weekly tasks.

First Trimester Weeks

Congrats! During the first trimester, you’re getting used to the idea of being pregnant, and pregnancy symptoms week by week can vary big time! Learn how to deal with morning sickness and exhaustion during this early pregnancy phase.
Not sure if you are pregnant? See early signs
  • 1 Week Pregnant
    1 Week Pregnant
    Surprise! One week pregnant is actually not pregnant at all. Say what?!
  • 2 Weeks Pregnant
    2 Weeks Pregnant
    Think you’re 2 weeks pregnant? You might not be—here’s why.
  • 3 Weeks Pregnant
    3 Weeks Pregnant
    Sperm met egg last week, and voila—you've made a baby! It’s so early that when you’re 3 weeks pregnant, you may have no idea that you’re actually pregnant. Conception just happened a few days ago, and there probably hasn't been time for you to miss a period yet at week 3 of pregnancy.
  • 4 Weeks Pregnant
    4 Weeks Pregnant
    Congratulations! If you know you're 4 weeks pregnant, you found out the news earlier than a lot of women do (because you took a test as soon as you missed your period, or even a few days before, instead of waiting a bit). You might be totally excited, or you might be getting used to the idea of having a baby. Either way, you may not be feeling any different (for now, at least), since early pregnancy symptoms don’t always kick in right away. Definitely celebrate this amazing news with your partner, but you may not want to tell the whole world just yet. Your first call at week 4 of pregnancy should be to your doctor to schedule your first prenatal visit, where they will confirm your pregnancy with a urine or blood test.
  • 5 Weeks Pregnant
    5 Weeks Pregnant
    You’ve just been initiated to the pregnancy club! Week 5 is a common time for moms-to-be to find out they’re pregnant. That’s because by now you’ve probably realized you’ve missed your period and then thought, whoa—maybe I should take a test! Plus, at 5 weeks pregnant, heightened hormone levels may be giving you symptoms that are tough to ignore, like sore breasts, nausea and fatigue. (Those same hormones are the ones your pregnancy test detected to give you a positive result.) Okay, so the “club” might not be so fun right now, but you’ll eventually be so glad you were a member.
  • 6 Weeks Pregnant
    6 Weeks Pregnant
    Has the news sunk in yet? At week six, pregnancy is still new to you, so it’s normal to feel a little emotional. Add to that some pretty uncomfortable early pregnancy symptoms (which include hormone fluctuations that can feel like PMS—on steroids!), and it’s understandable to feel downright miserable. Did we mention nervous and uncertain? That’s probably part of why you have 40 weeks to adjust to pregnancy. Of course, it’s also because baby needs all that time to get all their working parts in order.
  • 7 Weeks Pregnant
    7 Weeks Pregnant
    You’re keeping the best kind of secret, aren’t you? Now that you’re 7 weeks pregnant, you’re going about your day knowing you’re expecting—but no one else can see it. That can give you a surreal feeling! And at week 7 of pregnancy, you’re probably wondering what things will be like once it’s obvious to everyone that you’ve got a baby growing in there. For now, enjoy your little secret.
  • 8 Weeks Pregnant
    8 Weeks Pregnant
    While you may not be showing yet at 8 weeks pregnant, being pregnant is probably finally starting to feel real to you; like most women, you may have your first prenatal appointment right around now. At this visit, an ultrasound may be performed to determine how far along you are. You may even hear—and see—baby’s heartbeat. How cool is that?
  • 9 Weeks Pregnant
    9 Weeks Pregnant
    Let’s get serious for a second. Now that you’re 9 weeks pregnant, you’re probably starting to think about how life will change when baby is in the picture. That’s why around week 9 of pregnancy, you might want to start looking for ways you and your partner can budget so you have extra cash when baby arrives. You should also consider checking out your company’s handbook to see how maternity leave is typically handled. That way, when you break the news to your boss, you’ll be prepared to discuss your expectations—and begin a potential maternity leave plan.
  • 10 Weeks Pregnant
    10 Weeks Pregnant
    Hello baby bump! Now that you’ve reached 10 weeks pregnant, you may stop wondering when you’ll start to actually look pregnant, because it’s probably right around now! That’s why week 10 is a good time for a little retail therapy. While you shop, stock up on some new, looser clothes—and maybe your first round of maternity wear. Don’t go too crazy at the store though. As your body continues to change, you’ll want to pick up some more essentials along the way. Remember, you’ve still got many more weeks of body changes ahead.
  • 11 Weeks Pregnant
    11 Weeks Pregnant
    Get on Airbnb and Tripadvisor, stat! Pregnancy week 11 is a great time to start planning a babymoon: a romantic getaway with your partner. We recommend you go on this trip in the second trimester, since that’s when you’ll feel most energized, and we doubt you’ll want to do a lot of traveling once you hit the third trimester. A babymoon isn’t just a cool way to celebrate your pregnancy; it’s a chance to bond with your partner before baby starts taking up a ton of your time and attention. Hey, maybe you’ll get to relax a little too! So at 11 weeks pregnant, take your mind off your queasiness and start scouting some babymoon destinations now. (And yes, staycations totally count!) If you need another diversion, imagine your growing baby at 11 weeks, doing just fine in there, becoming more developed every day.
  • 12 Weeks Pregnant
    12 Weeks Pregnant
    Things are changing fast at 12 weeks pregnant. You’re reaching the home stretch of the first trimester (we know, finally!), which means your hormones are likely to tone things down a bit—hopefully making you feel fewer early pregnancy symptoms. It also means you may be ready to share your pregnancy news with family and friends. So exciting!
  • 13 Weeks Pregnant
    13 Weeks Pregnant
    Congrats! The end of week 13 is the end of the first trimester! We’re not just talking about getting through those work meetings without falling asleep (or puking), we’re talking about how you’re now 1/3rd of the way through your pregnancy! At 13 weeks pregnant, you’ve grown a fetus that has vocal cords, teeth and even fingerprints (wow!), and you’ve probably kept this incredible news (mostly) secret while wishing you could shout it from the rooftops—or, at the very least, use it as an excuse for getting to work late.