Yes, abortion is eugenic
Patterns by poverty status were the same across racial and ethnic groups: abortion rates were highest for poor women and decreased with income. Poor white women accounted for 11.7% (95% CI 9.9–13.9%) of abortions in 2008, similar to the 14.1% (95% CI 11.5–17.1%) and 13% (95% CI 10.0–16.8%) accounted for by poor African American and Hispanic women, respectively. Regardless of poverty group, African American women had the highest abortion rates, followed by Hispanic women and then white women. These same patterns were also evident in 2000. Between 2000 and 2008, abortion rates appear to have decreased for all groups with two exceptions: poor white and poor African American women experienced increases in abortion rates, with the former group experiencing the most substantial increase.
Poor women more likely to have abortion than rich women.
Black women more likely to have abortion than other races.
There’s a myth among comments in conservative blogs that abortion is something that rich white women are doing, when in reality poor black women have a twelve-times higher abortion rate than middle-class white women in 2008. If the link included statistics for wealthier white women, I suspect their rate would be even lower. Wealthy white women are very good at avoiding unplanned pregnancies so they rarely need abortion.
It’s not surprising that abortion leads to less crime. The demographic with the highest crime rate (poor blacks) also has the highest abortion rate.