31 Weeks Pregnant

Things are getting crowded in there at 31 weeks pregnant! Have a birth plan, Mom? Time to start thinking about it! Get answers to your questions about choosing a hospital, pain meds, labor pains, and your partner's role in the birthing process.

by Pregnancy Week-by-Week Contributors

All About Baby

fetal development at 31 weeks illustration

Your unborn baby's lungs continue to mature. As her lungs become more developed, the chances of her surviving if born prematurely increase. Her skin, which has been wrinkled, now becomes smooth as fat cells fill out her body.

Baby knows your voice. Singing to her, talking to her, and telling her all about the world she'll be joining soon is a great way for you and your partner to bond with Baby—and each other!

Your baby's fingernails have grown and she may even need a manicure after she's born.

Your unborn baby weighs around 3 pounds, 8 ounces and stretches to around 16 inches (crown to heel).

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