This week‑by‑week pregnancy slideshow shows you some of the important developments taking place as your baby grows. Back to Articles Related Articles A Week-by-Week Pregnancy Calendar Our week-by-week illustrated pregnancy calendar is a detailed guide to all the changes taking place in your baby - and in you! Read More Preventing Premature Birth Babies who are born premature - before 37 weeks of pregnancy - can have health problems that last their whole lives. Learn ways to prevent early labor and have a healthy pregnancy. Read More Eating During Pregnancy To eat well during pregnancy, your extra calories should come from nutritious foods that contribute to your baby's growth and development. Read More Folic Acid and Pregnancy One of the most important things you can do to help prevent serious birth defects in your baby is to get enough folic acid every day - especially before conception and during early pregnancy. Read More Having a Healthy Pregnancy Whether you feel confused, worried, scared, or excited, you'll want to know how your life will change, what you can do to have a healthy baby. Read More Medical Care During Pregnancy The sooner in pregnancy good care begins, the better for the health of both moms and their babies. Here's what to expect. Read More Pregnancy & Newborn Center Advice and information for expectant and new parents. Read More Pregnancy Slideshow (Mom & Baby) Here's a peek at what's going on inside your body during the amazing 40 weeks of pregnancy. Watch your belly — and your baby — grow! Read More Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.