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How much weight should a 6 month old baby boy gain approximately?

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In brief: Double birth weight

by 5 months. The average baby gains 5-7 ounces per week up to age 6 months and has doubled his birth weight.
He will gain between 3-5 ounces per week after 6 months and triple his birth weight by 12 months.

In brief: Double birth weight

by 5 months. The average baby gains 5-7 ounces per week up to age 6 months and has doubled his birth weight.
He will gain between 3-5 ounces per week after 6 months and triple his birth weight by 12 months.
Dr. Lois Freisleben-Cook
Dr. Lois Freisleben-Cook
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