Week 3: Fertilization & Early Cell Division

Baby's Development

The fertilized egg (now called a blastocyst) is a ball of rapidly dividing cells traveling to the uterus. About the size of a pinhead.

Your Body This Week

The blastocyst enters the uterus. Hormonal changes begin but are too subtle for most home pregnancy tests to detect.

Common Symptoms

• Light spotting possible
• Mild cramping
• No obvious symptoms yet for most

Tips for Week 3

• Continue prenatal vitamins
• Avoid alcohol, smoking, and raw foods
• Stay hydrated