Tiny hands and feet start budding from the arm and leg buds
Baby this week: about 0.9 cm — crown to rump · under 1 g
≈ 0.9 cm — about the size of a blueberry
Illustration enlarged for clarity — the amber marker shows true relative size
Your baby this week
- Arm and leg buds lengthen, and paddle-shaped hands are beginning to appear
- The brain is growing fast, and distinct regions are becoming visible
- Kidneys begin forming and the digestive system starts to take shape
- The embryo's tail is still present but has started to shrink
Your body this week
- Nausea and fatigue are often at their most noticeable this week
- Some notice a heightened sense of smell that makes certain foods or scents unbearable
This week's tip: Small, frequent meals and ginger tea or candies are commonly suggested for easing nausea — ask your provider what's suitable for you to try.
When to get help now
Call emergency services now or go to an emergency department now if you have sudden, severe tummy pain, pain in the tip of your shoulder, feel very weak, faint or dizzy, or have heavy bleeding that soaks a pad soon after putting it on. For lighter bleeding or spotting, or pain low down on one side, contact your doctor, maternity unit or an early pregnancy unit today.
Sizes and milestones are typical ranges — every pregnancy runs on its own clock. Educational content; your prenatal care team's guidance always comes first.