Week 5: The neural tube (brain, spinal cord and other neural tissue of the central nervous system) forms.
- The tiny “heart” tube will beat 110 times a minute by the end of the fifth week.
- Week 6: Tiny buds that become arms and legs also develop.
- At two months pregnant, your baby’s face continues its development.
- Buds that will eventually be limbs begin to develop.
Organs such as
- brain,
- sensory organs,
- digestive tract begin to take shape.
- The cartilage in the embryo begins to be replaced by bone.