Note: Information provided on this page is for general education only, growth of baby inside womb depends upon many factors and growth of your baby may differ slightly than indicated below, please seek medical advice whenever in doubt.

In this week ...

• Fertilization occurs in one of the fallopian tubes wherein sperm cell fuses into released egg and will begin its 4 to 7 day journey to the uterus.
• Cell division begins at breakneck speed immediately and continues throughout this journey.
• Implantation will occur in this week wherein fertilized egg sticks itself to nutritious lining of uterus and once it has implanted your baby is called a blastocyst and is about 0.1 to 0.2 mm in diameter.
• So far your baby is barely a size of a pinhead; it is still a cluster of cells and rapidly dividing and multiplying each day.