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 firstname.lastname@example.org
East End NOW email@example.com
North Hills NOW firstname.lastname@example.org
South Hills NOW email@example.com
Squirrel Hill NOW firstname.lastname@example.org