Direct quotations answering this subject are rather scanty. With such a provocative subject, it is necessary to be quite precise.
Without citing his sources, the African American Reverend Clenard Childress, New Jersey Director of the Life Education and Resource Network (LEARN), at the West Coast Walk for Life, San Francisco California, January 19, 2008, made this statement:
Some commentators have noted that Dr. King supported Planned Parenthood. However, it should be noted that as recently as 1963 Planned Parenthood proclaimed itself against abortion - http://www.freerepublic.com/focus/f-news/1185302/posts .
(In her seminal, 1963 feminist manifesto The Feminist Mystique , Betty Freidan didn't even mention the word 'abortion' - see http://www.bgmh.org/Seeking_a_Sociologically_Correct_Name_for_Abortion_Opponents.htm .)