Your Baby: Week 26

fetal development

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Baby's lungs are fully formed, but not yet ready to breathe in air.

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Your baby knows how to suck now and may suck a thumb.

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As baby gains weight, you can see cute chubby cheeks on the ultrasound.

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Stretched out, your baby is as long as a leek -- 13.75 in.

WebMD Medical Reference Reviewed by Traci C. Johnson, MD on June 10, 2016
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