Check out this page from the Susan G. Komen website, especially the “Planned Parenthood Statement” and “Cooperation with Philanthropic Organizations”:
http://ww5.komen.org/plannedparenthood.html
Perhaps “endorse” was a poor word choice. “Support” and “encourage” are better terms.
that is the opinion only of 2 writers, published by
The Catholic Health Association of the United States
They don’t speak for the Catholic Church or the Bishops or anyone but their own organization.