INFOGRAPHICPREGNANCY

What Is Lanugo?

By Twill Care Editors
Reviewed by Alyssa Quimby, M.D.
October 17, 2023
lanugo noun Soft, fuzzy hair that covers a fetus's body during midpregnancy. twill

Lanugo is soft hair that’s all over a fetus’s body. It protects their skin, helps keep them warm, and also helps them grow. Lanugo tends to develop in midpregnancy and then falls off between weeks 32 and 38. But some babies still have it at birth.

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