Marie Stopes Society (MSS) was registered in 1991 as a non-profit, a Social Enterprise to provide reproductive health services with a development perspective. Beginning with one center in 1992, today MSS has expanded to more than 84 information and service delivery centers across the four provinces of Pakistan.rnrnEstablished as a unique social business organization, applying modern marketing and management techniques to the achievement of social ends and contributing towards national poverty reduction, MSS services are accessible to approximately 40 million people of the country.