Martha Ryan 's group reaches out to women who are pregnant and homeless in San Francisco . San Francisco ( CNN ) It offers not only free prenatal care , but social services to help women turn their lives around . The organization is called the Center for Women's Health Care at Pier 39 -- a place where people can get health care, food and clothing without having to leave their homes or go on public transportation. Do you know a hero ? Nominations are open for 2013 CNN Heroes .
Martha Ryan 's group reaches out to women who are pregnant and homeless in San Francisco . It offers not only free prenatal care , but social services to help women turn their lives around . The organization is called the Center for Women's Health Care at Pier 39 -- a place where people can get health care, food and clothing without having to leave their homes or go on public transportation. Do you know a hero ? Nominations are open for 2013 CNN Heroes .