Fig 4
From: Prevalence of aneuploidies in South Carolina in the 1990s

Percentage of mothers age 35 or over for the years 1990 through 1999 (Cochran-Armitage P for trend = 0.4154).
From: Prevalence of aneuploidies in South Carolina in the 1990s

Percentage of mothers age 35 or over for the years 1990 through 1999 (Cochran-Armitage P for trend = 0.4154).