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Fig. 3 | Human Genomics

Fig. 3

From: Factors affecting cell-free DNA fetal fraction: statistical analysis of 13,661 maternal plasmas for non-invasive prenatal screening

Fig. 3

Effects of maternal age on the percentage of fetal fraction. a Distribution of maternal age across all 13,661 subjects in this study. b Effects of maternal age on the percentage of fetal fraction between different groups. One asterisk represents the significant difference at P < 0.05 level. Two asterisks represent the significant difference at P < 0.01 level

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Human Genomics

ISSN: 1479-7364