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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.
Baby Clothing Size Guide: How to Always Buy the Right Size Mimou Babywear

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Baby Clothing Size Guide: How to Always Buy the Right Size

on May 22 2026
Baby clothing sizes are confusing because there's no US industry standard and age labels are unreliable. Here's how to measure your baby correctly and always buy the right size, regardless of brand.