English

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Noun

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chorionicity (uncountable)

  1. The chorionic status of multiple pregnancies: whether twins in utero share one chorion and placenta (monochorionic) or whether they each have their own (dichorionic).[1]
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References

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  1. ^ National Institute for Health and Care Excellence. Multiple pregnancy: antenatal care for twin and triplet pregnancies. Clinical guideline (CG129). Published date: September 2011.