21 Weeks Pregnant: Baby Size & What's Happening

At 21 weeks, the baby is about the size of a carrot — roughly 26.5 cm (10.4 in), 360 g (13 oz). What's happening, and what the partner can do.

Tasting what you eat.

About the size of a carrot — or a koala, or a cannoli. 26.5 cm (10.4 in), 360 g (13 oz).

What's happening this week. The baby swallows more amniotic fluid each day and taste buds are developing — flavours from your meals really do come through. Bone marrow starts making blood cells.

Taste buds developing. Swallowing more each day. Bone marrow making blood.

Strong flavours you eat now can shape what the baby likes after birth.

What your partner can do this week: Start on the nursery or sleeping space, and take the heavy lifting and the ladder work. Vote on the pram options together — if you pick different ones, that's a conversation, not a problem. Ask what your partner would like help with that they haven't asked for.

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Nearby weeks