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Subject:
Re: immune system
From:
"Catherine Watson Genna, IBCLC" <[log in to unmask]>
Reply To:
Lactation Information and Discussion <[log in to unmask]>
Date:
Tue, 31 Oct 1995 09:57:39 -0500
Content-Type:
text/plain
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Jackie,
I have read that the human infant does not begin to make all of the 5 classes
of antibodies until 9 mos of age, and levels do not reach adult levels until
around age 3.  This would counteract the idea of the immune system being
mature by 6 months.  Also, how long does the thymus persist?  This gland is
active in T cell processing, and regresses somewhere between age 3 and 6
years, if I remember correctly.
Catherine Watson Genna, IBCLC  NY City  [log in to unmask]

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