Week 5

What’s happening this week
Your baby…
  • is about 1.5-2.5 mm long, the size of an apple seed
  • embryo changes into a distinct shape
  • is developing the neural tube, which will form your baby’s brain, spine and nerves
  • has begun to form a heart, which will soon begin to pump blood
  • major divisions can be seen in the brain
  • placenta begins to develop – your baby’s source of nourishment from you through fingerlike projections called “chorionic villi”.
You…
  • may feel pregnant, your period is now about a week late
  • may have mood swings, increased frequency of urination, breast tenderness and nausea
  • some women do not experience any of these symptoms.