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It seems gigantic to me but my kids are very petite. How much did she weigh when she was born?

Asher is almost 5 months and is about 15.5lbs. He was 8.4 at birth and is EBF..we aren't doing solids till 6m. I think the weight is fine.  

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Once she starts crawling she'll lose some chunk...she'll even out  

That sounds fine to me but my little girl is very big too. She was 8lbs 8oz at birth. 14lbs 4oz at 4 months, 20lbs 3oz at 6 months and 24lbs and 30.5in tall at 9 months

Quoting KyliesMommy2012:" My daughter is almost five months old (will be on the 27th) and last night we had to take her to urgent ... [snip!] ... but is that a good healthy weight? ETA: I feed her only when she's hungry and wants it. She also eats baby food 2x a day. "

Sounds on the bigger side for that age, but I don't think that's a big deal. It all evens out in time.