Week 10: Prune 

With bones and cartilage starting to form and vital organs beginning to function, baby is making major progress. Body length will almost double in the next three weeks, and arm joints are now working. (Soon, legs will too.)

Week 9

Week 9: Green Olive 

Your little embryo has now officially graduated to fetus-hood. Adding to the excitement, a Doppler ultrasound device might be able to pick up the beating heart. With basic physical structures in place and increasingly distinct facial features, baby is kind of starting to look like... well... a baby!