embryo
• unpatterned chorion
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• branching morphology defect
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• small or absent trophoblast compartment
• biased differentiation (diploid/polyploid trophoblast)
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• overabundant and enlarged trophoblast giant cells
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mortality/aging
IMPC - WTSI
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IMPC - WTSI
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• lethality at E9.5-E10.5
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