OP03.03: Diagnostic sensitivity and clinical value of prenatal ultrasound, post-mortem magnetic resonance imaging and conventional autopsy for late miscarriage and stillbirth

Down syndrome risk. Of the 56 cases of trisomy 21 (1,2%), 25 were males and 31 females (P = 0,74). Detection rate for trisomy 21 was 84% in males and 87% in females (P=0,8). Free beta HCGMoM, NTMoM and PAPPAMoM were not significantly different between male and female trisomy 21 fetuses. Conclusions: There is a trend towards female fetuses having a higher chance of increased risk at the combined test. There are no gender differences in the detection rate of trisomy 21. Whether risk assessment protocols need to become gender specific needs further investigation.