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Placentophagy
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== Evolution == Placentophagy evolved independently in different lineages as adaptations to various challenges faced by ancestral species.<ref name=":3" /> The behaviour was ultimately attractive to the maternal subject based on the hypothesized benefits discussed above but provided some kind of advantage. Based on this advantage, placentophagy was selected for by natural selection which lead to its persistence in mammal species.<ref name=":3" />
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