Week 5

What’s happening this week

• 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”.

• 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.