Figure 1. Effect of Maternal Age on the Distribution of Chromosome Anomalies in Miscarriages.
Distribution of chromosome abnormalities among consecutive karyotyped miscarriages with developmental age ≤18 weeks, from (left) New York City from 1974 to 1985 and (right) Ridgewood, New Jersey, from 2003 to 2005 (Warburton, Kline, and Kinney, unpublished data).