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.
Sperm Meets Egg: Weeks 1 to 3 of Pregnancy
First Trimester Ultrasound Pictures
fetal development
Your Baby's Alertness in the Womb
Second Trimester Begins: Weeks 13 to 17 of Pregnancy
Second Trimester Ultrasound Pictures