Stages of Pregnancy Week by Week

Find out how your baby is developing in weeks one through four and get tips on telling your friends and family the news.

Learn what is happening with your baby's development in week five. Plus, learn about miscarriage, changes in your complexion, and what healthy foods you should be eating now.

Discover how your baby is developing in week six. Now is the time to start deciding where you want to deliver your baby and who will be a part of your superstar birth team.

Your baby's brain is developing rapidly in week seven. Get the details plus advice on starting a healthy exercise regimen during pregnancy.

Find out how your baby is developing in week eight and if you really should be eating for two.

As you begin your third month, your baby is beginning to move around. Find out how he's developing this week plus what to expect at your first OB exam.

Learn what is happening with your baby's development in week 10 and how to keep your partner engaged in your pregnancy.

Discover how your baby is developing in week 11 and why you may be experiencing migraines, pelvic pain, and aversions to foods you used to enjoy.

Read about how your baby is developing in week 12 and how to deal with sleep issues, nosebleeds, and more.

You're entering your third trimester this week! Learn what is happening with your baby's development and how to read food labels to make smart nutritional choices.

As your baby continues to grow in week 14, your belly is going to start to grow more too! Get tips on planning your maternity leave and more.

Find out how your baby is developing in week 15 as well as what tests you should ask your doctor about including a multiple marker screening test, an amniocentesis, and an Rh blood test.

You've reached the end of your fourth month! Find out how your baby is developing in week 16 as well as how to deal with stretch marks, changes in your feet, and more.

In week 17, your baby is really starting to move. Get tips on making daycare decisions, dealing with dizziness, and more.

Your baby is developing in many significant ways this week. Learn what is going on with baby as well as how to boost your own energy and travel safely while pregnant.

Learn what is happening with your baby's development in week 19 and what signs of trouble to watch for.

Discover how your baby is developing in week 20. Plus, get tips on dealing with everything from stress to nosy relatives.

Find out what is going on in your belly during week 21. Also discover why your sex life and relationship with your partner might be adjusting slightly.

As your baby continues to develop in week 22, it's time to start learning about cesarean sections, blood clots, and more.

Your baby weighs just over a pound this week! Find out what's going on with her as well as how to tame junk food cravings.

Learn how your baby is developing in week 24, plus what pregnancy-related skin problems you may experience in the coming weeks.

You've made it to your third trimester! Learn how your baby is developing as well as how to deal with rib pain, spider veins, the risks of preterm labor, and more.

It's week 26 and your baby is becoming more stable. Learn more about his development as well as how to deal with several pregnancy-related discomforts including sleep positions, Braxton Hicks contractions, and uncomfortable intercourse.

Find out what's happening with your baby's development in week 27. Plus learn all about hepatitis and pregnancy as well as fighting the pregnancy blues.

Your little one is growing quickly in week 28--find out what's going on and learn all about cesarean deliveries and bed rest.

Learn how your baby is growing in week 29 and start evaluating your labor preferences, from the best positions to pain relief options.

Your baby is growing faster than ever now--learn all about his development in week 30. Also get tips on avoiding emotional overeating and protecting your job after the baby is born.

Find out how your baby is developing in week 31 and learn how you can practice labor techniques now for a more relaxed delivery experience.

Discover how baby-to-be is developing in week 32 and get great tips on choosing a daycare provider, preparing for your baby's arrival, and getting more calcium in your diet.

Your baby is entering his "finishing period" in week 33--find out what this means for his development. Also learn what you can do now to prepare for your new arrival including developing a parenting plan, collecting your secret parenting weapons, and buying baby clothes.

Learn how you baby is developing in week 34 and what warning signs to watch for in your third trimester, including reduced fetal movement.

Find out how your baby is growing in week 35 and how to relieve swelling and other aches and pains.

Your baby's "rapid growth" period is coming to an end in week 36. Find out how she will continue to develop this week and take a look at our predelivery checklist so you're prepared for the big day.

Your baby is almost here! Find out how baby-to-be is developing in week 37 plus learn common signs of labor and how to plan your breastfeeding diet.

Learn about your baby's development during week 38 and how to deal with persistent headaches, eye problems, and exercising issues late in pregnancy.

Find out how your baby will develop in the last two weeks of pregnancy, plus learn what surprises may appear on labor day.

Your baby is finally ready to meet you! Learn why you may need to induce labor if you're overdue in week 40.

Find out what to expect from your postpartum recovery -- and learn what life is like with your new baby during his first week of life.