The CDC 
says "The legalization of induced abortion beginning in the 1960s contributed to an 89% decline in deaths from septic illegal abortions during 1950-1973."  Similarly, the pro-abortion Alan Guttmacher Institute 
claims "By making abortion legal nationwide, Roe v. Wade has had a dramatic impact on the health and well-being of American women. Deaths from abortion have plummeted, and are now a rarity."  However, the data says otherwise.  The first legal abortion on demand was in 1970, and Roe was in 1973.  Here's the data, which those dates indicated with vertical lines:
Here is AGI's own data, with Roe highlighted:

All of the reduction in abortion deaths came 
before legalization.  It was solely the result of advances in medicine, particularly antibiotics.
Hat tip: 
Christina Dunigan.