at the same time the female civilian non-institutional population was increasing, the percentage participating in the labor force was declining—following a long-term trend. In January 2009, 59.4 percent of women participated in the labor force, while in May 2012 it was 57.8.
You might look at the employment rates of men and women and note that women were impacted long after men. The unemployment rate of men has come down significantly and it is doing the same for women with the same delay in timing. You really need to learn how to read stats over time. Women were not hit by the recession as quickly as men were as the building industry got crushed first. Women's jobs generally were impacted later. You can pull your head out of your back side now.