Looking at female incarceration both historically and today, what changes in treatment do you find?

The numbers of women behind bars continue to grow. The types of crimes they commit differ compared to men. The three strikes laws are funneling in more women than ever before, and they are facing long sentences. There has been the little public discussion about the dramatic increase of women in the prison system.
What major differences do you find in the treatment of men versus women while incarcerated?
Looking at female incarceration both historically and today, what changes in treatment do you find?
Is there still a gap between men’s and women’s treatment while incarcerated? Why or why not?