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. 2021 Dec 13;14:9697–9705. doi: 10.2147/IJGM.S345345

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© 2021 Alhur et al.

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Flow chart of the sample collection and source of DNA for identifying fetal sex.

Abbreviations: PBMC, peripheral blood mononuclear cell; gDNA, genomic deoxyribonucleic acid; cff DNA, cell-free fetal deoxyribonucleic acid; PCR, polymerase chain reaction; fNRBC, fetal nucleated red blood cell.