Margaret Sanger is a well-known American social activist, sex and birth control educator, and nurse. She made the term ‘birth control’ popular among the natives of the USA. One cannot forget her unparalleled contributions that led to the legalization of contraception in the USA. She supported the legalization of contraception despite facing criticism. She also worked a lot in support of the eugenics. She also believed in equal rights for women and encouraged women to stand up against unwanted pregnancy. She argued that women should protest against unsafe or back alley abortions. She founded the ‘American Birth Control League’ which is now known as the ‘Planned Parenthood Federation of America’ and remained as the president of its international chapter for many years. The first clinic for birth control was established in New York under her supervision with an all-female staff. She also patronized the all American-African clinic at Harlem which was also a first of its kind. She was the founder of the ‘National Committee on Federal Legislation for Birth Control’ that paved the way for the legalization of contraception in the USA. She is considered to be the founder and patron of birth control.