Fig. 14: Distribution of trisomy in nonmolar abortus specimens.

a Single trisomy case numbers for different chromosomes. Trisomy 16, 21, 13, 7, and 18 were among the most common single trisomy cases, with trisomy 16 accounting for 31% of cases. b Trisomy case numbers in stratified age groups. The peak age for trisomy was 36–40 years.