Pregnancy Information Center

Information, Symptoms, Treatments and Resources


A Peek Inside: 5 Amazing Fetal Development Photos

How Baby Grows from Conception to Birth

How Baby Grows from Conception to Birth

Congratulations, you're expecting! Your baby has a lot of growing to do in the next 9 months before the big debut. Here we’ll explain to you how your baby will grow and develop over the 40 weeks of your pregnancy.

Attribution: Emma Freeman (
By Katherine Solem. Published on July 12, 2010. Updated on November 23, 2015. Katherine Solem is a San Francisco–based health writer and editor.
Reviewed by Elisabeth Aron, MD, FACOG on October 5, 2015.