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Table 3 Clinical details of false positive NIPT results

From: Performance of non-invasive prenatal testing for trisomies 21 and 18 in twin pregnancies

Placentation Case Maternal age Gestational age Conception Fetal fraction BMI NIPT Result Karyotyping
DCDA Case 6 26 14 ART 7.6 27 T7/ Normal Normal
Case 7 24 18 ART 19.7 20 47,XXX NA
  1. DCDA Dichorionic diamniotic, MCDA Monochorionic diamniotic, ART Artificial reproductive technology, NP Natural pregnancy. NA No abnormalities