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Tiny newborn in a slightly roomy Mimou pink elephant romper — newborn vs 0-3 months baby sizes guide

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Newborn vs 0–3 Months: Understanding Baby Clothing Sizes

on Jun 25 2026
“Newborn” and “0–3 months” sound identical but are two different clothing sizes — and confusing them is a top reason outfits don’t fit. Here’s what each means by weight and length, which to buy and how many, and how to tell which one fits your baby.
How Long Do Babies Wear Newborn Clothes? Everything Parents Need to Know Mimou Babywear

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How Long Do Babies Wear Newborn Clothes? Everything Parents Need to Know

on May 16 2026
Most babies outgrow newborn clothing in just 2 to 6 weeks. Here's what actually determines how long newborn clothes fit, how many pieces to buy, and what to stock up on instead.
How Long Do Babies Wear Newborn Clothes? Everything Parents Need to Know Mimou Babywear

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How Long Do Babies Wear Newborn Clothes? Everything Parents Need to Know

on May 16 2026
Most babies outgrow newborn clothes in just 2–6 weeks — but every baby is different. Here's what actually determines how long they fit, how many to buy, and what to stock up on instead.