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Tolerating pregnancy

The activity of specific suppressive immune cells, some of which persist to aid subsequent pregnancies, helps to explain how a pregnant female's immune system tolerates fetal antigens inherited from the father. See Letter p.102

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Figure 1: Immune memory for a father's antigens.


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Correspondence to Alexander G. Betz.

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Betz, A. Tolerating pregnancy. Nature 490, 47–48 (2012).

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