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.