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Table 1 Summary on fetal fraction and maternal characteristics of 13,661 women with singleton pregnancy undergoing NIPS in the studied population

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

 MedianStd. deviationMinimumMaximum
Fetal fraction (%)12.654.884.0149.12
Gestational age (weeks)17.003.9211.0037.00
Maternal BMI (kg/m2)22.003.1814.0045.00
Maternal age (years)32.005.5018.0050.00
  1. BMI body mass index