Pregnancy Week 13

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

Watch Your Baby's Growth

Second Trimester Begins: Weeks 13 to 17 of Pregnancy
Second Trimester Begins: Weeks 13 to 17 of Pregnancy

Here's to hoping you're no longer feeling nauseated or exhausted! Right now your baby's brain and eyes are making dramatic strides each day. Learn all about it.

Your Changing Body

Your belly is still growing, and your hormones may be making you clumsy: Relaxin, a chemical your body releases during pregnancy, loosens your ligaments and joints. Be careful with your fine china!

Your Developing Baby

Your baby's organs are done forming, and his or her eyes are moving toward the center of her face instead of the side. She can even suck her thumb now. (Awww!)

Your Pregnancy

Have butterfingers all of a sudden? Blame it on the baby, and those crazy pregnancy hormones!

Your Week 13 To-Do List

1. Begin thinking about baby names.

An Inside Look

Take a unique look at Baby's development inside the womb this week.

Your Pregnancy Calendar

Share and celebrate your pregnancy with other moms-to-be.

Ask Parents About Week 13

We've got answers to your questions from experts and parents who've been there.

See All Questions or Ask Your Own

Everything in Pregnancy Week 13

More About Your Pregnancy in Week 13

Your Baby

Your Body

Your Self

  • Sharing Household Chores

    Now is the time to make sure you and your partner are sharing household chores evenly--they will only stack up more once the baby arriv...

  • Dealing with Too Much Advice

    Learn how to politely reject unwanted pregnancy and parenting advice from family and friends.

Diet & Exercise

  • Caffeine and Alcohol

    Caffeine and alcohol are still just as dangerous during the second trimester as they were during the first.

  • Keep Exercising

    Whether you've been exercising so far or not, now is a great time to get moving.

  • Understanding Food Labels

    Find out what to pay attention for on food labels to make healthy choices.

Q & A