20 Weeks Pregnant: Baby Size & What's Happening

At 20 weeks, the baby is about the size of a banana — roughly 25 cm (9.8 in), 300 g (11 oz). What's happening, and what the partner can do.

The middle of it, and the halfway scan.

About the size of a banana — or a kitten, or a chocolate bar. 25 cm (9.8 in), 300 g (11 oz).

What's happening this week. Halfway there. The baby hears your voices every day, swallows small sips, and a creamy coating called vernix now protects the skin.

Halfway point reached. Hearing your voices daily. Vernix protects the skin.

The mid-pregnancy scan usually happens around now — on the NHS, between 18 and 21 weeks.

What your partner can do this week: After the scan, write down what was said so you both have it. Halfway: go through the task list together — what's done, what's left, who's taking what. Say out loud what you're looking forward to. Halfway is a good moment to.

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