National Advocates for Pregnant Women"National Advocates for Pregnant Women (NAPW) works to secure the human and civil rights, health and welfare of all women, focusing particularly on pregnant and parenting women, and those who are most vulnerable - low income women, women of color, and drug-using women."
They also have programs in Legal Advocacy, Organizing, and Public Education, and their publications are great, from "Frequently Asked Questions (FAQ) about Methadone and Pregnancy" to "Arrests of and Forced Interventions on Pregnant Women in the United States, 1973–2005: Implications for Women’s Legal Status and Public Health."