And, "in the context of her time", Sanger KNEW that she could NEVER get abortion legalized and would probably face prison and lose the support of many of her allies if she even suggested it.
There is no evidence she even considered it.
And she already faced prison for her advocacy of contraception.
MRS. SANGER GUILTY, FACES PRISON TERM
February 3, 1917
http://query.nytimes.com/gst/abstract.html?res=9A01E7DD1538EE32A25750C0A9649C946696D6CF
Mrs. Margaret Sanger, birth control advocate, was convicted of violating the penal code in a decision handed down yesterday by Justices Freschi, Herrman and O’Keefe in Special Sessions in Brooklyn.