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1 Week Pregnant: Preparing Your Body for Pregnancy Feature
week by week pregnancy

1 Week Pregnant: Preparing Your Body for Pregnancy

You're 1 week pregnant on the first day of your last menstrual period, even though you haven't actually conceived yet.

3 Weeks Pregnant: Spotting the First Signs of Pregnancy
week by week pregnancy

3 Weeks Pregnant: Spotting the First Signs of Pregnancy

When you're 3 weeks pregnant, your baby is officially beginning to grow inside.

15 Weeks Pregnant: Baby's Growing and You're Showing
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15 Weeks Pregnant: Baby's Growing and You're Showing

When you're 15 weeks pregnant, your baby's skeleton is developing and his legs are getting long, even though he is only about the size of a bottle of concealer.

33 Weeks Pregnant: You May Start to Have Trouble Breathing
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33 Weeks Pregnant: You May Start to Have Trouble Breathing

When you're 33 weeks pregnant, you're baby's no longer wrinkled and transparent.

8 Weeks Pregnant: Preparing for Your First Prenatal Visit
week by week pregnancy

8 Weeks Pregnant: Preparing for Your First Prenatal Visit

When you're 8 weeks pregnant, your little one is about the size of a ring and her fingers, toes, airways and brain cells are developing.

38 Weeks Pregnant: Get Familiar With Labor Warning Signs
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38 Weeks Pregnant: Get Familiar With Labor Warning Signs

When you're 38 weeks pregnant, your baby is nearing 7 pounds and has organs mature enough to support her in the outside world.

36 Weeks Pregnant: Feeling Pelvic Pressure
week by week pregnancy

36 Weeks Pregnant: Feeling Pelvic Pressure

When you're 36 weeks pregnant, you're almost at full term, and your baby weighs about 6 pounds and measures roughly 18.5 inches long.

23 Weeks Pregnant: Your Baby Can Hear Everything You Say
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23 Weeks Pregnant: Your Baby Can Hear Everything You Say

When your 23 weeks pregnant, your baby can hear outside noises and feel you sway, shimmy and shake.

35 Weeks Pregnant: Your Baby Is Running Out of Room
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35 Weeks Pregnant: Your Baby Is Running Out of Room

When you're 35 weeks pregnant,you have just five weeks of gestation left and your little one is a hefty 5.5 pounds.

4 Weeks Pregnant: Suspecting Successful Conception
week by week pregnancy

4 Weeks Pregnant: Suspecting Successful Conception

When you're 4 weeks pregnant, your fertilized egg has made its way to your uterus, things are really starting to get interesting.

10 Weeks Pregnant: Alleviating Morning Sickness
week by week pregnancy

10 Weeks Pregnant: Alleviating Morning Sickness

When you're 10 weeks pregnant, your baby's fetal period, during which time she'll do most of her tissue and organ development, has begun.

16 Weeks Pregnant: Feeling the Baby Move
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16 Weeks Pregnant: Feeling the Baby Move

When you're 16 weeks pregnant, you may begin to feel the baby move. At first, those small movements may be hard to distinguish from tiny gas bubbles.

31 Weeks Pregnant: Beware of False Alarms
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31 Weeks Pregnant: Beware of False Alarms

When you're 31 weeks pregnant, your baby is pretty active, and while somersaults and jabs to the ribs can be somewhat uncomfortable at times, they're also signs that all is well.

Pregnancy Complication Costs U.S. Billions
week by week pregnancy

Pregnancy Complication Costs U.S. Billions

Preeclampsia, a serious pregnancy complication, continues to increase in the United States, exacting a significant economic toll, a new study shows.

4 Weeks Pregnant: Suspecting Successful Conception
week by week pregnancy

4 Weeks Pregnant: Suspecting Successful Conception

When you're 4 weeks pregnant, your fertilized egg has made its way to your uterus, things are really starting to get interesting.

7 Weeks Pregnant: Your Baby's Brain Cells Are Quickly Forming
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7 Weeks Pregnant: Your Baby's Brain Cells Are Quickly Forming

When you're 7 weeks pregnant, your baby is probably about the size of a blueberry.

10 Weeks Pregnant: Alleviating Morning Sickness
week by week pregnancy

10 Weeks Pregnant: Alleviating Morning Sickness

When you're 10 weeks pregnant, your baby's fetal period, during which time she'll do most of her tissue and organ development, has begun.

2 Weeks Pregnant: Optimizing Your Chances for Fertilization
week by week pregnancy

2 Weeks Pregnant: Optimizing Your Chances for Fertilization

When you're 2 weeks pregnant, your body still has not conceived.

5 Weeks Pregnant: Preparing for a Healthy Pregnancy
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5 Weeks Pregnant: Preparing for a Healthy Pregnancy

When you're 5 weeks pregnant, your little one's heart and circulatory system start to form. However, you also may be greeted with the nausea.

8 Weeks Pregnant: Preparing for Your First Prenatal Visit
week by week pregnancy

8 Weeks Pregnant: Preparing for Your First Prenatal Visit

When you're 8 weeks pregnant, your little one is about the size of a ring and her fingers, toes, airways and brain cells are developing.

11 Weeks Pregnant: Breaking the News to Coworkers
week by week pregnancy

11 Weeks Pregnant: Breaking the News to Coworkers

At week 11 of your pregnancy, your baby is about the size of a single eye shadow, or 1.6 inches long. He even has little hands that can open and close.

3 Weeks Pregnant: Spotting the First Signs of Pregnancy
week by week pregnancy

3 Weeks Pregnant: Spotting the First Signs of Pregnancy

When you're 3 weeks pregnant, your baby is officially beginning to grow inside.

6 Weeks Pregnant: Emotional Ups and Downs
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6 Weeks Pregnant: Emotional Ups and Downs

When you're 6 weeks pregnant, your baby is starting to look less like a tadpole and more like a person as her face begins to form.

9 Weeks Pregnant: Time to Go Bra Shopping
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9 Weeks Pregnant: Time to Go Bra Shopping

When you're 9 weeks pregnant, the tiny life inside you is no longer an embryo, but a fetus.