Your Developing Baby: Week 10

What's going on with your baby in pregnancy week 10? Find out all about important pregnancy milestones and exciting fetal development specific to this week of pregnancy!
Week 10

American Institute of Ultrasound in Medicine - AIUM.org

This week marks a milestone for your baby-to-be -- and for you. She's developed to the point where she's no longer an embryo, but a fetus.

As her body begins to mature, your baby-to-Be's neck will start to develop and elongate. At this point, your baby's head still makes up more than half of her body size.

Small changes are taking place throughout Baby-to-be's body, making her appear more and more like the newborn you'll be greeting in 30 or so weeks. She's getting more practice moving her arms and legs as they continue to develop muscle and bone. (Still, you won't feel her movements for a few more weeks -- be patient!) The fingers and toes that first formed with webbing in between are now becoming more distinct and separate. She can wiggle her toes and fingers with ease. And tiny finger nails and toe nails are appearing.

Amniotic fluid not only surrounds your baby on the outside, she might swallow it too. But don't worry -- ingesting amniotic fluid isn't harmful to your growing baby. In fact, the exchange of fluids helps her lungs develop.

Terms to Know

Amniotic fluid: The liquid that surrounds a baby in utero. At first, this liquid is mostly water. At 10 weeks, the amniotic fluid contains other nutrients that help the baby develop. Amniotic fluid also acts as a cushion to protect the developing baby from any external force on the mother's abdomen.

Important Information About Your Pregnancy

Copyright © 2010 Meredith Corporation.

Images courtesy of the American Institute of Ultrasound in Medicine (AIUM.org)

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