The following article in the Examiner is a good quick summary of the first Women's Rights Convention in 1848.
The First Women’s Rights Convention lives on in spirit
NOW is part the "spirit" mentioned at the end of the article. This statement is referring to the five chapters in Allegheny County:
First Pittsburgh NOW email@example.com
East End NOW firstname.lastname@example.org
North Hills NOW email@example.com
South Hills NOW firstname.lastname@example.org
Squirrel Hill NOW email@example.com