Fetal Development

From a tiny cluster of cells to a bouncing baby - fetal development is an amazing process. Here you'll see pictures of how a fetus develops each week, and each trimester. Plus what's happening to your baby throughout the fetal development process.

More in Fetal Development

Fetal Development: Baby's Growth from Conception to Birth
Fetal Development Weeks 1 Through 4
Fetal Development Weeks 14 Through 17
Fetal Development Weeks 18 Through 21
Fetal Development Weeks 22 Through 26
Fetal Development Weeks 27 Through 30
Fetal Development Weeks 31 Through 35
Fetal Development Weeks 5 Through 8
Fetal Development Weeks 36 Through 40
Fetal Development Weeks 9 Through 13
The Importance of Ultrasound Practice Accreditation
The American Institute of Ultrasound in Medicine The American Institute of Ultrasound in Medicine
Images of Your Developing Baby: Behind the Scenes Images of Your Developing Baby: Behind the Scenes
Your Pregnant Body At 5 Months Your Pregnant Body At 5 Months
Trimester by Trimester
Baby's Alertness in the Womb
How to Have a Smart Baby: Pregnancy Brain Power Boosters How to Have a Smart Baby: Pregnancy Brain Power Boosters
First Trimester: Images of Your Developing Baby First Trimester: Images of Your Developing Baby
Your Developing Baby, Week by Week Your Developing Baby, Week by Week
Third Trimester: Images of Your Developing Baby Third Trimester: Images of Your Developing Baby