Gynaecology & Obstetrics All are true about aneuploidy except: A 30% of trisomy 21 fetus die in utero B 80% of trisomy 18 fetus die in uero C Occurrence of aneuploidy has no relation with the progression of mother's age D The recurrence risk for nondysjunctional aneuploidy is 1% higher 💡 Explanation All are true about aneuploidy except: ✓ Correct Answer: C. Occurrence of aneuploidy has no relation with the progression of mother's age